Bergson Abram <br/><br/>
Productivity and the social system the USSR and th 

 - Cambridge  Harvard            1978 
 - xi, 256p  cm. 
<br/><br/> Appendix P 225-47 
<br/><br/><label>ISBN: </label>0674711653 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X;28.58.N7, L8