5The International Institute for Strategic Studies, The Military Balance 1988-1989, London, 1988,p. 40-41.
6J. Feffer, Beyond Detete, New Options on East-West Relations, London, 1989 ,p. 69.
7R.L. Garthoff, The Great Transition, American-Soviet Relations and the End of the Cold War, Washington, 1994.p. 415.
8A. Cottey, East-Central Europe after the Cold War,New York, 1995, p. 14.
9G. R. Chafetz, Gorbachev, Reform, and the Brezhnev Doctrine, Soviet Policy Toward Eastern Europe, 1985 - 1990,London, 1993, p. 73.
10Edited by A. G. Bochkarev and D. L. Mansfield, The US and the USSR in a Changing World, Soviet and American Perspective, San Francisco, 1992, p. 246.
1rnold Wolfers,A lliances,D avid L.S ills. International Encyclopedia of Social Sciences[M].{H}New York:Macmillan,1968.268-269.
2Warren F. Kimball Alliances,Coalitions and Ententes,in Alexander DeC onde(eds.),Encyclopedia of American Foreign Policy [M].Charles Scribner’s Sons,1978.1-2.