Sources of inter-state conflict / Robert Litwak. Litwak, Robert. DS326 .S7 327.16 19 LIS Includes bibliographical references and index. Aldershot : The International Institute for Strategic Studies by Gower, 1981. 1981. 1981 Text x, 105 p. : eng Security in the Persian Gulf ; v. 2 Security in the Persian Gulf ; v. 2. Persian Gulf foreign relation