Proceedings of the X-15 first flight 30th anniversary celebration [electronic resource] : proceedings of an anniversary celebration held at NASA Ames Research Center, Dryden Flight Research Facility, Edwards, California, June 8, 1989 / symposium chairman, Kenneth E. Hodge.
Imprint
Washington, D.C. : National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division ; [Springfield, Va. : For sale by the National Technical Information Service], 1991.
