Final published version, 507 KB, PDF document
Research output: Contribution to Journal/Magazine › Journal article › peer-review
<mark>Journal publication date</mark> | 26/04/1982 |
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<mark>Journal</mark> | Physical review letters |
Issue number | 17 |
Volume | 48 |
Number of pages | 3 |
Pages (from-to) | 1190-1192 |
Publication Status | Published |
<mark>Original language</mark> | English |