Moscow and the Polish crisis : an interpretation of Soviet policies and intentions / Sidney I. Ploss. Ploss, Sidney I. DK4185.S65 P55 1986 327.438047 19 PLM Includes bibliographical references and index. Boulder : Westview, 1986. 1986. 1986 Text ix, 182 p. ; eng Westview special studies on the Soviet Union and Eastern Europe Poland Foreign relations Soviet Union. Soviet Union Foreign relations Poland. Poland History 1980-1989.