Young, John W. (John Worth), 1934- author.
[Washington, D.C.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch, December 1980.
1980-
Young, John W. (John Worth), 1934- author.
[Washington, D.C.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch, December 1980.
1980-