NASA Aircraft Safety and Operating Problems Conference (1980 : Langley Research Center)
Washington, D.C. : National Aeronautics and Space Administration, Scientific and Technical Information Office ; [Springfield, Va.] : [For sale by the National Technical Information Service], 1981.
Washington, D.C. : National Aeronautics and Space Administration, Scientific and Technical Information Office ; [Springfield, Va.] : [For sale by the National Technical Information Service], 1980.
Washington, D.C. : National Aeronautics and Space Administration, Scientific and Technical Information Office ; [Springfield, Va.] : [For sale by the National Technical Information Service], 1980.
Washington, D.C. : National Aeronautics and Space Administration, Scientific and Technical Information Office ; [Springfield, Va.] : [For sale by the National Technical Information Service], 1980.
Washington, D.C. : National Aeronautics and Space Administration, Scientific and Technical Information Office ; [Springfield, Va.] : [For sale by the National Technical Information Service], 1980.
Washington, D.C. : National Aeronautics and Space Administration, Scientific and Technical Information Office ; [Springfield, Va.] : [For sale by the National Technical Information Service], 1978.
Washington. D.C. : National Aeronautics and Space Administration, Scientific and Technical Information Office; [Springfield, Va.] : [For sale by the National Technical Information Service], l979.
Washington, D.C. : National Aeronautics and Space Administration, Scientific and Technical Information Office ; [Springfield, Va.] : [For sale by the National Technical Information Service], 1979.
Solar Power Satellite (SPS) Workshop on Microwave Power Transmission and Reception (1980 : Lyndon B. Johnson Space Center)
Washington, D.C. : National Aeronautics and Space Administration, Scientific and Technical Information Office ; [Springfield, Va.] : [For sale by the National Technical Information Service], 1980.