Bergson,Abram <br/><br/>
Productivity and the social system-the USSR and the WEST 

 - London  Harvard University Press  1978 
 - xi,256p. 
<br/><br/><label>ISBN: </label>0674711653 
<br/><br/><label>Subjects--Index Terms: </label>productivity  social system 
<br/><br/><label>Dewey Class. No.: </label>338.312(47-57:1-15)  / BER