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Parelephas floridanus from the Upper Pleistocene of Florida compared with P. jeffersonii
Veröffentlicht 1930Buch -
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The origin and evolution of life on the theory of action, reaction and interaction of energy
Veröffentlicht 1925Buch -
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Psittacosaurus and Protiguanodon two Lower Cretaceous iguanodonts from Mongolia
Veröffentlicht 1924Buch -
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