Books by William A. McMahon:
Books in the extended shelves:
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McMahon, William A.: Apollo experience report : guidance and control systems : CSM service propulsion system gimbal actuators (National Aeronautics and Space Administration ;, 1975), also by Lyndon B. Johnson Space Center (page images at HathiTrust)- McMahon, William A.: Method development for determination of polychlorinated hydrocarbons in municipal sludge (Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory and Municipal Environmental Research Laboratory ;, 1980), also by Charles F. Rodriguez, R. E. Thomas, Southwest Research Institute, Municipal Environmental Research Laboratory, and Ohio) Environmental Monitoring and Support Laboratory (Cincinnati (page images at HathiTrust)
Find more by William A. McMahon at your library, or elsewhere.