Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Osswald, G. (NASA Goddard Space Flight Center Greenbelt, Md., United States) Date Acquired
August 6, 2013
Publication Date
July 21, 1972
Publication Information
Publication: Science
Volume: 177
Accession Number
72A36556
Distribution Limits
Public