Zbigniew K. Brzezinski <br/><br/>
The soviet bloc unity and conflict / 
Brzezinski Z.K. 
 - Cambridge :  Harvard univer  1981. 
 - 599 pages. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0674825489 
<br/><br/><label>LC Class. No.: </label>D 847  / .B79 1967