Calvin, Melvin, 1911- Chemical evolution : molecular evolution towards the origin of living systems on the earth and elsewhere / Melvin Calvin - Oxford : Clarendon Press, 1969 - ix, 278 p. : 8 plates, ill. (incl. 8 col.), chart, facsims., map. ; 25 cm. Includes bibliographies ISBN: 5198553420 Subjects--Topical Terms: Life--OriginGeochemistryMolecular biology