a study prepared at the request of the Committee on Foreign Relations, United States Senate by Foreign Policy Research Institute, University of Pennsylvania (pursuant to S. Res. 336, 85th Cong., and S. Res. 31, 86th Cong.)Greenwood Press[19--]
prepared by the Foreign Policy Research Institute of the University of Pennsylvania as part of a continuing program of research on problems affecting the national interests of the United StatesGreenwood Press[19--]