Forecasting in international relations : theory, methods, problems, prospects / edited by Nazli Choucri and Thomas W. Robinson. Choucri, Nazli. Robinson, Thomas W. International relations Research. Twentieth century Forecasts. JX1291 .F64 327.072 Includes bibliographical references and index. San Francisco : W. H. Freeman; c1978. c1978. 1978 Text xii, 468 p. : eng