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Research

Dr Michael Denton

Formerly at Lancaster University

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  1. 2015
  2. Published

    Applying the cold plasma dispersion relation to whistler-mode chorus waves: EMFISIS wave measurements from the Van Allen Probes

    Hartley, D., Chen, Y., Kletzing, C. A., Denton, M. & Kurth, W., 02/2015, In: Journal of Geophysical Research: Space Physics. 120, 2, p. 1144-1152 9 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  3. 2014
  4. Published

    Solving the radiation belt riddle: a guide to phase space density

    Hartley, D. & Denton, M., 12/2014, In: Astronomy and Geophysics. 55, 6, p. 6.17-6.20 4 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  5. Published

    Electron number density, temperature and energy density at GEO and links to the solar wind: a simple predictive capability

    Hartley, D., Denton, M. & Rodriguez, J., 06/2014, In: Journal of Geophysical Research: Space Physics. 119, 6, p. 4556-4571 16 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  6. Published

    First optical observations of energetic electron precipitation at 4278 Å caused by a powerful VLF transmitter

    Denton, M. H., Kosch, M. J., Borovsky, J. E., Clilverd, M. A., Friedel, R. H. W. & Ulich, T., 16/04/2014, In: Geophysical Research Letters. 41, 7, p. 2237-2242 6 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  7. 2013
  8. Published

    Case studies of the impact of high-speed solar-wind streams on the electron radiation belt at geosynchronous orbit: flux, magnetic field and phase space density

    Hartley, D., Denton, M., Green, J., Onsager, T., Rodriguez, J. & Singer, H., 11/2013, In: Journal of Geophysical Research: Space Physics. 118, 11, p. 6964-6979 16 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  9. Published

    Energetic electron precipitation characteristics observed from Antarctica during a flux dropout event

    Clilverd, M., Cobbett, N., Roger, C., Brundell, J., Denton, M., Hartley, D., Rodriguez, J., Ranskin, D., Raita, T. & Spanswick, E., 11/2013, In: Journal of Geophysical Research: Space Physics. 118, 11, p. 6921-6935 15 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  10. Published

    Estimating the effects of ionospheric plasma on solar wind/magnetosphere coupling via mass loading of dayside reconnection: ion-plasma-sheet oxygen, plasmaspheric drainage plumes, and the plasma cloak

    Borovsky, J. E., Denton, M., Denton, R. E., Jordanova, V. K. & Krall, J., 09/2013, In: Journal of Geophysical Research. 118, 9, p. 5695-5719 25 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  11. Published

    The differences between storms driven by helmet streamer CIRs and storms driven by pseudostreamer CIRs

    Borovsky, J. E. & Denton, M., 09/2013, In: Journal of Geophysical Research. 118, 9, p. 5506-5521 16 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  12. Published

    Inner magnetosphere heavy ion composition during high-speed stream-driven storms

    Forster, D., Denton, M., Grande, M. & Perry, C. H., 07/2013, In: Journal of Geophysical Research. 118, 7, p. 4066-4079 14 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  13. 2012
  14. Published

    Key features of >30 keV electron precipitation during high speed solar wind streams: A superposed epoch analysis

    Kavanagh, A., Honary, F., Donovan, E. F., Ulich, T. & Denton, M., 7/06/2012, In: Journal of Geophysical Research. 117, p. 1-13 13 p., A00L09.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  15. Published

    Magnetosphere response to high-speed solar wind streams: A comparison of weak and strong driving and the importance of extended periods of fast solar wind

    Denton, M. & Borovsky, J. E., 05/2012, In: Journal of Geophysical Research. 117, 19 p., A00L05.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  16. Published

    Training school pupils in the scientific method: student participation in an international VLF radio experiment

    Denton, J., Denton, M., Kavanagh, A., Harron, H., Ulich, T. & Denton, J., 01/2012, In: Physics Education. 47, 1, p. 64-68 5 p.

    Research output: Contribution to Journal/Magazine › Journal article

  17. 2011
  18. Published

    Evolution of the magnetotail energetic-electron population during high-speed-stream-driven storms: Evidence for the leakage of the outer electron radiation belt into the Earth's magnetotail

    Borovsky, J. E. & Denton, M. H., 28/12/2011, In: Journal of Geophysical Research. 116, p. - 16 p., A12228.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  19. Published

    No evidence for heating of the solar wind at strong current sheets

    Borovsky, J. E. & Denton, M. H., 1/10/2011, In: Astrophysical Journal Letters. 739, 2, p. - 5 p., L61.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  20. Published

    Free energy to drive equatorial magnetosonic wave instability at geosynchronous orbit

    Thomsen, M. F., Denton, M., Jordanova, V. K., Chen, L. & Thorne, R. M., 23/08/2011, In: Journal of Geophysical Research. 116, p. - 13 p., A08220.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  21. Published

    Energetic electron precipitation during high-speed solar wind stream driven storms

    Meredith, N. P., Horne, R. B., Lam, M. M., Denton, M. H., Borovsky, J. E. & Green, J. C., 28/05/2011, In: Journal of Geophysical Research. 116, A05223, p. 1-15 15 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  22. Published

    A survey of the anisotropy of the outer electron radiation belt during high-speed-stream-driven storms

    Borovsky, J. E. & Denton, M. H., 05/2011, In: Journal of Geophysical Research. 116, A05201, p. 1-15 15 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  23. Published

    The role of suprathermal particle measurements in CrossScale studies of collisionless plasma processes

    Hapgood, M., Perry, C., Davies, J. & Denton, M., 05/2011, In: Planetary and Space Science. 59, 7, p. 618-629 12 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  24. Published

    Probing geospace with VLF radio signals

    Kavanagh, A. J., Denton, M., Denton, J. & Harron, H., 04/2011, In: Astronomy and Geophysics. 52, 2, p. 27-30 4 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  25. Published

    GPS tomography in the polar cap: Comparison with ionosondes and in situ spacecraft data

    Pokhotelov, D., Jayachandran, P. T., Mitchell, C. N., Macdougall, J. W. & Denton, M. H., 01/2011, In: GPS Solutions. 15, p. 79-87 9 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  26. Published

    Density and temperature of energetic electrons in the Earth's magnetotail derived from high-latitude GPS observations during the declining phase of the solar cycle

    Denton, M. & Cayton, T. E., 2011, In: Annales Geophysicae. 29, 10, p. 1755-1763 9 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  27. 2010
  28. Published

    On the heating of the outer radiation belt to produce high fluxes of relativistic electrons: Measured heating rates at geosynchronous orbit for high-speed stream-driven storms

    Borovsky, J. E. & Denton, M. H., 12/2010, In: Journal of Geophysical Research. 115, A12206, p. 1-34 34 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  29. Published

    Probing the relationship between electromagnetic ion cyclotron waves and plasmaspheric plumes near geosynchronous orbit

    Posch, J. L., Engebretson, M. J., Murphy, M. T., Denton, M. H., Lessard, M. R. & Horne, R. B., 11/11/2010, In: Journal of Geophysical Research. 115, A11205, p. 1-18 18 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  30. Published

    High-latitude ionospheric response to co-rotating interaction region- and coronal mass ejection-driven geomagnetic storms revealed by GPS tomography and ionosondes

    Pokhotelov, D., Jayachandran, P. T., Mitchell, C. N. & Denton, M. H., 8/11/2010, In: Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. 466, 2123, p. 3391-3408 18 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  31. Published

    High-speed stream driven inferences of global wave distributions at geosynchronous orbit: Relevance to radiation-belt dynamics

    MacDonald, E. A., Blum, L. W., Gary, S. P., Thomsen, M. F. & Denton, M. H., 8/11/2010, In: Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. 466, 2123, p. 3351-3362 12 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  32. Published

    Solar wind turbulence and shear: A superposed epoch analysis of corotating interaction regions at 1 AU

    Borovsky, J. E. & Denton, M. H., 2/10/2010, In: Journal of Geophysical Research. 115, A10101, p. 1-30 30 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  33. Published

    Magnetic field at geosynchronous orbit during high-speed stream-driven storms: Connections to the solar wind, the plasma sheet, and the outer electron radiation belt

    Borovsky, J. E. & Denton, M. H., 08/2010, In: Journal of Geophysical Research. 115, A08217, p. 1-35 35 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  34. Published

    A density-temperature description of the outer electron radiation belt during geomagnetic storms

    Denton, M. H., Borovsky, J. E. & Cayton, T. E., 01/2010, In: Journal of Geophysical Research. 115, A01208, p. 1-20 20 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  35. 2009
  36. Published

    Electron loss rates from the outer radiation belt caused by the filling of the outer plasmasphere: The calm before the storm

    Borovsky, J. E. & Denton, M. H., 11/2009, In: Journal of Geophysical Research. 114, A11203, p. 1-12 12 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  37. Published

    Modification of midlatitude ionospheric parameters in the f2 layer by persistent high-speed solar wind streams

    Denton, M. H., Ulich, T. & Turunen, E., 23/04/2009, In: Space Weather. 7, S04006, p. 1-10 10 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  38. Published

    Relativistic-electron dropouts and recovery: A superposed epoch study of the magnetosphere and the solar wind

    Borovsky, J. E. & Denton, M. H., 02/2009, In: Journal of Geophysical Research. 114, A02201, p. 1-27 27 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  39. Published

    Introduction to special issue on high speed solar wind streams and geospace interactions (HSS-GI)

    Denton, M. H., Borovsky, J. E., Horne, R. B., McPherron, R. L., Morley, S. K. & Tsurutani, B. T., 2009, In: Journal of Atmospheric and Solar-Terrestrial Physics. 71, p. 1011-1013 3 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  40. Published

    Ionospheric response to the corotating interaction region-driven geomagnetic storm of October 2002

    Pokhotelov, D., Mitchell, C. N., Jayachandran, P. T., Macdougall, J. W. & Denton, M. H., 2009, In: Journal of Geophysical Research. 114, A12311, p. 1-8 8 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  41. Published

    The superdense plasma sheet in the magnetosphere during high-speed-stream-driven storms: Plasma transport timescales

    Denton, M. H. & Borovsky, J. E., 2009, In: Journal of Atmospheric and Solar-Terrestrial Physics. 71, p. 1045-1058 14 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  42. 2008
  43. Published

    A general Cluster data and global MHD simulation comparison

    Daum, P., Denton, M. H., Wild, J. A., Taylor, M. G. G. T., Safrankova, J. & Hayosh, M., 4/11/2008, In: Annales Geophysicae. 26, 11, p. 3411-3428 18 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  44. Published

    A statistical look at plasmaspheric drainage plumes

    Borovsky, J. E. & Denton, M. H., 09/2008, In: Journal of Geophysical Research. 113, A09221, p. 1-23 23 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  45. Published

    Superposed epoch analysis of high-speed-stream effects at geosynchronous orbit: Hot plasma, cold plasma, and the solar wind

    Denton, M. H. & Borovsky, J. E., 07/2008, In: Journal of Geophysical Research. 113, A07216, p. 1-9 9 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  46. Published

    Particle precipitation during ICME-driven and CIR-driven geomagnetic storms

    Longden, N., Denton, M. H. & Honary, F., 5/06/2008, In: Journal of Geophysical Research. 113, A06205, p. 1-12 12 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  47. Published

    Solar wind dependence of ion parameters in the earth's magnetospheric region calculated from CLUSTER observations

    Denton, M. H. & Taylor, M. G. G. T., 26/03/2008, In: Annales Geophysicae. 26, 3, p. 387-394 8 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  48. Published

    High-speed solar wind streams: A call for key research

    Denton, M. H., Borovsky, J. E., Horne, R. B., McPherro, R. L., Morley, S. K. & Tsurutani, B. T., 02/2008, In: EOS, Transactions American Geophysical Union. 89, 7, p. 62-63 2 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  49. Published

    Superposed epoch analysis of a whistler instability criterion at geosynchronous orbit during geomagnetic storms

    MacDonald, E. A., Denton, M. H., Thomsen, M. F. & Gary, S. P., 2008, In: Journal of Atmospheric and Solar-Terrestrial Physics. 70, p. 1789-1796 8 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  50. 2007
  51. Published

    High-speed solar-wind streams and geospace interactions

    Kavanagh, A. & Denton, M., 14/11/2007, In: Astronomy and Geophysics. 48, 6, p. 6.24-6.26

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  52. Published

    Global view of refilling of the plasmasphere

    Sandel, B. R. & Denton, M. H., 09/2007, In: Geophysical Research Letters. 34, L17102, p. 1-5 5 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  53. Published

    Taking issue with PPARC over STP

    Abel, G., Wild, J. & Denton, M., 02/2007, In: Astronomy and Geophysics. 48, 1, p. 8-9 2 p.

    Research output: Contribution to Journal/Magazine › Journal article

  54. Published

    Statistics of plasma fluxes at geosynchronous orbit over more than a full solar cycle

    Thomsen, M. F., Denton, M. H., Lavraud, B. & Bodeau, M., 2007, In: Space Weather. 5, S03004, p. 1-9 9 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  55. Published

    Transport of plasma sheet material to the inner magnetosphere

    Denton, M. H., Thomsen, M. F., Borovsky, J. E., Lavraud, B., Henderson, M. G., Skoug, R. M., Funsten, H. O., Jahn, J. M., Pollock, C. J. & Weygand, J. M., 2007, In: Geophysical Research Letters. 34, L04105, p. 1-5 5 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  56. 2006
  57. Published

    The effect of plasmaspheric drainage plumes on solar-wind/magnetosphere coupling

    Borovsky, J. E. & Denton, M. H., 10/2006, In: Geophysical Research Letters. 33, 20, 5 p., L20101.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  58. Published

    A statistical comparison of hot-ion properties at geosynchronous orbit during intense and moderate geomagnetic storms at solar maximum and minimum.

    Zhang, J. C., Liemohn, M. W., Thomsen, M. F., Kozyra, J. U., Denton, M. H. & Borovsky, J. E., 2006, In: Journal of Geophysical Research. 111, A07206, p. 1-16 16 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  59. Published

    Analyzing electric field morphology through data-model comparisons of the GEM IM/S assessment challenge events

    Liemohn, M. W., Ridley, A. J., Kozyra, J. U., Gallagher, D. L., Thomsen, M. F., Henderson, M. G., Denton, M. H., Brandt, P. C. & Goldstein, J., 2006, In: Journal of Geophysical Research. 111, A11S11, p. 1-25 25 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  60. Published

    Differences between CME-driven storms and CIR-driven storms

    Borovsky, J. E. & Denton, M. H., 2006, In: Journal of Geophysical Research. 111, A07S08, p. 1-17 17 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  61. Published

    Geomagnetic storms driven by ICME- and CIR-dominated solar wind.

    Denton, M. H., Borovsky, J. E., Skoug, R. M., Thomsen, M. F., Lavraud, B., Henderson, M. G., McPherron, R. L., Zhang, J. C. & Liemohn, M. W., 2006, In: Journal of Geophysical Research. 111, A07S07, p. 1-12 12 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  62. Published

    Magnetospheric and auroral activity during the April 18, 2002 sawtooth event.

    Henderson, M. G., Reeves, G. D., Skoug, R., Thomsen, M. .. F., Denton, M. H., Mende, S. B., Immel, T. J., Brandt, P. C. & Singer, H., 2006, In: Journal of Geophysical Research. 111, A01S90, p. 1-15 15 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  63. Published

    Magnetospheric preconditioning under northward IMF: evidence from the study of coronal mass ejection and corotating interaction region geoeffectiveness

    Lavraud, B., Thomsen, M. F., Borovsky, J. E., Denton, M. H. & Pulkkinen, T. I., 2006, In: Journal of Geophysical Research. 111, A09208, p. A09208

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  64. Published

    Observation of two distinct cold, dense ion populations at geosynchronous orbit: Local time asymmetry, solar wind dependence and origin

    Lavraud, B., Thomsen, M. F., Wing, S., Fujimoto, M., Denton, M. H., Borovsky, J. E., Aasnes, A., Seki, K. & Weygand, J. M., 2006, In: Annales Geophysicae. 24, p. 3451-3465 15 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  65. Published

    Substorms during the August 10-11 sawtooth event.

    Henderson, M. G., Skoug, R., Donovan, E., Thomsen, M. F., Reeves, G. D., Denton, M. H., Singer, H. J., McPherron, R. L., Mende, S. B., Immel, T. J., Sigwarth, J. B. & Frank, L. A., 2006, In: Journal of Geophysical Research. 111, A06206, p. 1-32 32 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  66. 2005
  67. Published

    Bulk plasma properties at geosynchronous orbit.

    Denton, M. H., Thomsen, M. F., Korth, H., Lynch, S., Zhang, J. C. & Liemohn, M. W., 2005, In: Journal of Geophysical Research. 110, A07223, p. 1-17 17 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  68. Published

    Calculation of IMAGE/MENA geometric factors and conversion of images to units of integral and differential flux

    Henderson, M. G., Thomsen, M. F., Skoug, R., Denton, M. H., Harper, R., Funsten, H. O. & Pollock, C. J., 2005, In: Review of Scientific Instruments. 76, 073303, p. 1-24 24 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  69. Published

    Effect of storm-time plasma pressure on the magnetic field in the inner magnetosphere

    Zaharia, S., Thomsen, M. F., Birn, J., Denton, M. H., Jordanova, V. K. & Cheng, C. Z., 2005, In: Geophysical Research Letters. 32, L03102, p. 1-4 4 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  70. Published

    Radio tomographic imaging of the northern high-latitude ionosphere on a wide geographic scale

    Kersley, L., Pryse, S. E., Denton, M. H., Bust, G., Fremouw, E., Secan, J., Jakowski, N. & Bailey, G. J., 2005, In: Radio Science. 40, RS5003, p. 1-9 9 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  71. Published

    Storm-time plasma signatures observed by IMAGE/MENA and comparison with a global physics-based model

    Denton, M. H., Jordanova, V. K., Henderson, M. G., Thomsen, M. F., Skoug, R. M., Pollock, C. J., Zaharia, S. & Funsten, H. O., 2005, In: Geophysical Research Letters. 32, L17102, p. 1-5 5 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  72. Published

    Superposed epoch analysis of cold, dense plasma access to geosynchronous orbit

    Lavraud, B., Denton, M. H., Thomsen, M. F., Borovsky, J. E. & Friedel, R. W. H., 2005, In: Annales Geophysicae. 23, 7, p. 2519-2529 11 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  73. Published

    The dayside high-latitude trough under quiet geomagnetic conditions: Radio tomography and the CTIP model

    Pryse, S. E., Dewis, K. L., Balthazor, R. L., Middleton, H. R. & Denton, M. H., 2005, In: Annales Geophysicae. 23, 4, p. 1199-1206 8 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  74. 2002
  75. Published

    He+ dominance in the plasmasphere during geomagnetically disturbed periods: 1. Observational results

    Denton, M. H., Bailey, G. J., Wilford, C. R., Rodger, A. S. & Venkatraman, S., 2002, In: Annales Geophysicae. 20, 4, p. 461-470 10 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  76. 2001
  77. Published

    Modelling the High Altitude Electron Temperature: A Modified Thermal Conductivity

    Denton, M. H. & Bailey, G. J., 2001, In: Dynamics of Atmospheres and Oceans. 34, 2, p. 365-381 17 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  78. 2000
  79. Published

    A modelling study of the latitudinal variations in the nighttime plasma temperatures in the equatorial topside ionosphere during northern winter at solar maximum

    Bailey, G. J., Denton, M. H., Heelis, R. & Venkatraman, S., 2000, In: Annales Geophysicae. 18, p. 1435-1446 12 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  80. 1999
  81. Published

    High Altitude Observations of Electron Temperature and a Possible North/south Asymmetry

    Denton, M. H., Bailey, G. J., Su, Y. Z., Oyama, K.-I. & Abe, T., 07/1999, In: Journal of Atmospheric and Solar-Terrestrial Physics. 61, 10, p. 775-788 14 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

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