Kusin, Vladimir V..
The intellectual origins of the Prague spring: the development of reformist ideas in Czechoslovakia, 1956-1967 /
by Vladimir V. Kusin 
. - Cambridge : University Press,  1971 
. - v, 153 p.  22 cm. 
 - (Soviet and East European studies )
<br/>К.: Бібліогр. в підрядк. прим. 
<br/><label>  ISBN: </label>0-521-08124-6