00745cam a2200241 a 4500 3492795 BD-DhUL 20170417141650.0 940314s1993 nyu b i000 0 eng 94130356 9211421977 DLC DLC DLC BD-DhUL 341.7 UNS Study on defensive security concepts and policies / New York : United Nations, 1993. ix, 64 p. ; 28 cm. Includes bibliographical references (p. 61-64). Security, International. World politics 1945-1989. United Nations. Office for Disarmament Affairs. United States. Secretary General. ddc REF 182929 182929