Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Sagan, C. (Cornell University Ithaca, N.Y., United States) Date Acquired
August 9, 2013
Publication Date
September 15, 1977
Publication Information
Publication: Nature
Volume: 269
Subject Category
Lunar And Planetary Exploration Accession Number
77A49185
Distribution Limits
Public