Ivan Efremov
Ivan Efremov
(nom orijinal:Иван Антонович Ефремов) ia es un paleontolojiste e scrivor rusce,
Opera[edita | edita la fonte]
Naras siensal[edita | edita la fonte]
Some considerations of biological bases of the paleozoology
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mostra prima 1982 I. A. Efremov. desinia Peter Bendel