Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Ward, W. R. (California Institute of Technology, Pasadena, Calif.; Smithsonian Astrophysical Observatory and Harvard College Observatory, Cambridge Mass., United States) Date Acquired
August 8, 2013
Publication Date
January 1, 1975
Publication Information
Publication: Astronomical Journal
Volume: 80
Subject Category
Lunar And Planetary Exploration Accession Number
75A21200
Funding Number(s)
CONTRACT_GRANT: NSF GP-40776
CONTRACT_GRANT: NGL-05-002-003
CONTRACT_GRANT: NGR-22-007-269
Distribution Limits
Public