Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Schopf, J. W. (California, University Los Angeles, Calif., United States) Kvenvolden, K. A. (NASA Ames Research Center Exobiology Div., Moffett Field, Calif., United States) Date Acquired
August 6, 2013
Publication Date
March 17, 1972
Publication Information
Publication: Science
Volume: 175
Accession Number
72A23496
Funding Number(s)
CONTRACT_GRANT: NSF GA-23741
CONTRACT_GRANT: NGR-05-007-292
Distribution Limits
Public