defense space interests Hearings before the committee on science and astronautic U.S. House of Representatives 87th congress, 1st Session, 17 - 23 march 1961 Arms control : issues for the public / [ed. by Louis Henkin] modern economic issues Defense and disarmament : the economics of transition / edited by Roger E. Bolton rational debate series How much defense spending is enough? / Jack Kemp, Les Aspin Strategic requirements for the army to the year 2000 / ed. by Robert H. Kupperman, William J. Taylor, Jr