1
Bằng Segal, Leon D.
[Washington, DC] : Springfield, Va. : National Aeronautics and Space Administration ; National Technical Information Service, distributor, 1994
[Washington, DC] : Springfield, Va. : National Aeronautics and Space Administration ; National Technical Information Service, distributor, 1994
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2
Bằng Segal, Leon D.
Moffett Field, Calif. : [Springfield, Va.] : National Aeronautics and Space Administration, Ames Research Center ; [National Technical Information Service, distributor], 1994
Moffett Field, Calif. : [Springfield, Va.] : National Aeronautics and Space Administration, Ames Research Center ; [National Technical Information Service, distributor], 1994
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