A photometric technique for determining planetary slopes from orbital photographs
By: by W. J. Bonner and R. A. Schmall.
Contributors: Schmall, R. A., joint author.; United States. National Aeronautics and Space Administration.
Series: Contributions to astrogeology; Geological Survey professional paper 812-A; Geological Survey professional paper ;; 812-A.
Publisher: U.S. Govt. Print. Off.
Published: 1973
Place of publication: Washington
Language: eng
Number of pages: 16
Subjects: Slopes (Physical geography); Mars (Planet) -- Surface.; Mars (Planet) -- Photographs from space.
Notes: Bibliography: p. A16.
"Prepared on behalf of the National Aeronautics and Space Administration."