TY - BOOK ED - United Nations. ED - United States. TI - Study on defensive security concepts and policies SN - 9211421977 U1 - 327.174 20 PY - 1993/// CY - New York PB - United Nations KW - Security, International KW - World politics KW - 1945-1989 N1 - At head of title: Office for Disarmament Affairs, Report of the Secretary-General; "A/47/394"--T.p. verso; "United Nations publication sales no. E.93.IX.12"--T.p. verso; Includes bibliographical references (p. 61-64) ER -