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1
by Ritchie, Eleanor H.
Washington, D.C. : Scientific and Technical Information Branch, National Aeronautics and Space Administration, 1986

Government Document Book
2
Washington, D.C. : Scientific and Technical Information, Branch, National Aeronautics and Space Administration, 1984

Government Document Book
3
Washington, D.C. : Scientific and Technical Information, Branch, National Aeronautics and Space Administration, 1979

Government Document Book