Physical properties of the surface materials at the Viking landing sites on Mars /
Moore, H. J.(Henry J.),1928-
United States.National Aeronautics and Space Administration.
Washington : Government Printing Office,
1987.
"A summary of the results of the Physical Properties Investigation of Viking Lander 1 and 2 during the Viking 1975 project."
"Prepared on behalf of the National Aeronautics and Space Administration."
Maps on 2 folded leaves in pocket.
Mars (Planet)
Mars (Planet)
Mars (Planet)