Não informado. (1940). Biological symposia. American Association for the Advancement of Science.
Citace podle Chicago (17th ed.)Não informado. Biological Symposia. Lancaster, Pa: American Association for the Advancement of Science, 1940.
Citace podle MLA (8th ed.)Não informado. Biological Symposia. American Association for the Advancement of Science, 1940.
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