02232oam 2200553 450 991070675400332120180112104444.0(CKB)5470000002457917(OCoLC)896810090(OCoLC)995470000002457917(EXLCZ)99547000000245791720141123d1973 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierA photometric technique for determining planetary slopes from orbital photographs /by W. J. Bonner and R. A. Schmall; prepared on behalf of the National Aeronautics and Space AdministrationWashington :United States Department of the Interior, Geological Survey,1973.1 online resource (iv, A16 pages) illustrationsGeological Survey professional paper ;812-ATitle from title screen (viewed October 2, 2014)."Contributions to astrogeology.""A closed form, general solution for photometric slope determination has been derived by use of vector mathematics. The technique can be applied equally well to vertical and to oblique photography."Includes bibliographical references (page A16).Slopes (Physical geography)MeasurementSlopes (Physical geography)fastSurface of Mars (Planet)fastMars (Planet)Photographs from spaceMars (Planet)SurfaceMars (Planet)fastPhotographs from space.fastSlopes (Physical geography)Measurement.Slopes (Physical geography)Surface of Mars (Planet)Bonner W. J.1409474Schmall R. A.Geological Survey (U.S.),United States.National Aeronautics and Space Administration,COPCOPOCLCOOCLCFOCLGPOBOOK9910706754003321A photometric technique for determining planetary slopes from orbital photographs3495980UNINA