Tucson, Ariz. : University of Arizona ; [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : For sale by the National Technical Information Service, 1989]
1989
Tucson, Ariz. : University of Arizona ; [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : For sale by the National Technical Information Service, 1989]
1989