Comparative regional systems : West and East Europe, North America, the Middle East and developing countries / edited by Werner J. Feld, Gavin Boyd. Feld, Werner J. Boyd, Gavin. Regionalism (International organization) International relations. JX1979 .C574 1980 341.24 FEC Includes index. Includes bibliographical references. New York : Pergamon Press, c1980. c1980. 1980 Text vii, 530 p. : eng Pergamon policy studies on international politics