The Open University. Earth History : 1 e 2 / The Open University ; prepared by The Science Foundation Course Team

Earth History : 1 e 2 / The Open University ; prepared by The Science Foundation Course Team . - Walton Hall : The Open University Press, imp. 1975 . - 48, 31 p., [1] f. est. : il. 30 cm . - (Science Foundation Course . S100; 26-27)
0-335-02036-4 (Brochado)

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