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Simpson, George Gaylord. 1902- (Personal Name)
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Work cat.: (MX-TeUDD)262181: Simpson, George Gaylord. 1902-, Tempo and mode in evolution /, 1984
Machine generated authority record
Work cat.: (MX-TeUDD)262181: Simpson, George Gaylord. 1902-, Tempo and mode in evolution /, 1984
Sistema de Gestión Bibliotecaria Koha - Un desarrollo de L.B. Ulises Castrejón M. y L.I. Alejandro Castrejón M. para la Universidad Autónoma de Nayarit