Voyager 1 encounters Saturn. - Jet Propulsion Laboratory (U.S.) (National Aeronautics and Space Administration, Jet Propulsion Laboratory, Calif. Institute of Technology ; For sale by the Supt. of Docs., U.S. G.P.O., 1980)
Dec. 1980
"JPL 400-100"--P. 4 of cover.
Cover title.
Keywords: Saturn (Planet) / Photographs from space.