Bergson, Abram, <br/><br/>
Productivity and the social system :  the USSR and the West / 
Abram Bergson. 
 - Cambridge:  Harvard University Press,  1978. 
 - xi, 256p.; 
<br/><br/> , Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0674711653 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial productivity---Soviet Union.
<br/><br/><label>Dewey Class. No.: </label>338.0947  / Pr