Y 4.AT 7/2:SP 1/2 & INDEX

Nuclear energy for space propulsion and auxiliary power. Hearings before the Subcommittee on Research, Development, and Radiation of the Joint Committee on Atomic Energy, Congress of the United States, Eighty-seventh Congress, first session, August 28 and 29, 1961.

1961.

Y 4.AT 7/2:SP 1

Outer space propulsion by nuclear energy. Hearings before subcommittees of the Joint Committee on Atomic Energy, Congress of the United States, Eighty-fifth Congress, second session.

1958.