The origins of prebiological systems : and of their molecular matrices : proceedings of a conference conducted at Wakulla Springs, Florida, on 27-30 October, 1963, under the auspices of the Institute for Space Biosciences [of] the Florida State University and the National Aeronautics and Space Administration / Sidney W. Fox. Fox, Sidney W., ed. Florida State University. Institute for Space Biosciences. United States. National Aeronautics and Space Administration. Molecular evolution Congresses. QH325 .F67 574 FOO Includes bibliographical references and index. New York : Academic Press, 1965. 1965. 1965 Text xx, 482 p. : eng