American Astronautical Society.Annual meeting of the American Association for the Advancement of Science (128th : 1961 : Denver, Colo.):Advances in the astronautical sciences.V.10,Symposium on Manned Lunar Flight : Manned Lunar flight.[s. n.],1963.
Annual meeting of the American Association for the Advancement of Science (128th : 1961 : Denver, Colo.):Advances in the astronautical sciences.V.10,Symposium on Manned Lunar Flight : Manned Lunar flight