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AMERICAN NATURALIST : devoted to the conceptual unification of the biological sciences.- Chi.- Отримується з 1924, Vol.58, №654; 1941, Vol.75, №758; 1948, Vol.82,№803-807; 1949, Vol.83, №808-812; 1953, Vol.87, №837; 1993, Vol.141, №1. | 1997 | Vol. 150 | № 6
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