Final published version, 663 KB, PDF document
Research output: Contribution to Journal/Magazine › Journal article › peer-review
<mark>Journal publication date</mark> | 19/08/1991 |
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<mark>Journal</mark> | Physical review letters |
Issue number | 8 |
Volume | 67 |
Number of pages | 4 |
Pages (from-to) | 933-936 |
Publication Status | Published |
<mark>Original language</mark> | English |