LETTERS TO THE EDITOR
| Autor: | Berenda, Carlton W., Partridge, R. B., Schipf, R. G., Newman, Richard L., Stephanos, Robert, Smith, A. G., Winkler, Gustav, Went, F. W., Hsu, J. C. |
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| Zdroj: | American Scientist, 1969 Oct 01. 57(3), 221A-225A. |
| Databáze: | JSTOR Journals |
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