Vilmann, Carl.
[Houghton, Mich.] : Michigan Technological University ; [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : For sale by the National Technical Information Service, 1991?]
1991
Vilmann, Carl.
[Houghton, Mich.] : Michigan Technological University ; [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : For sale by the National Technical Information Service, 1991?]
1991