United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch.
AAS Goddard Memorial Symposium Washington, D.C. 1974.
Patricia A. Thomas
George W. Morgenthaler
William Harby
William David Compton
University of New Mexico. Technology Application Center.
United States. Congress. House. Committee on Government Operations. Government Activities and Transportation Subcommittee.
Heather Feldman
Unknown Author
George C. Marshall Space Flight Center.
Skylab Program
Donald W. Schuerman
Skylab Program.
Lyndon B. Johnson Space Center
William K. Fowler