Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Walker, J. C. G. (Arecibo Observatory Arecibo, P.R., United States) Date Acquired
August 8, 2013
Publication Date
April 3, 1975
Publication Information
Publication: Nature
Volume: 254
Accession Number
75A27524
Distribution Limits
Public