Não informado. (1971). Bibliography and Index of Micropaleontology. American Museum of Natural History.
Citace podle Chicago (17th ed.)Não informado. Bibliography and Index of Micropaleontology. New York: American Museum of Natural History, 1971.
Citace podle MLA (8th ed.)Não informado. Bibliography and Index of Micropaleontology. American Museum of Natural History, 1971.
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