United States. General Accounting Office.
Washington, D.C. : The Office ; Gaithersburg, MD (P.O. Box 6015, Gaithersburg 20884-6015) : The Office [distributor, 1997]
1997
National Research Council (U.S.). Task Group 2. Navy Space Panel. Naval Studies Board. Commission on Physical Sciences, Mathematics, and Applications, author.
Washington, District of Columbia : National Academy Press, 1994.
1994