Ryan, Arthur M.
Troy, N.Y. : Center for Intelligent Robotic Systems for Space Exploration, Rensselaer Polytechnic Institute ; [Washington, D.C.] : [National Aeronautics and Space Administration], [1991]
1991
Denning, Peter J., 1942-
[Moffett Field, Calif.?] : Research Institute for Advanced Computer Science, [NASA Ames Research Center ; Springfield, Va. : For sale by the National Technical Information Service, 1989]
1989