x  x  <br/><br/>
Industrial concentration : the new learning,   x 

 - x  
 - Boston   Little Brown   1974  
 - viii, 470p.  
<br/><br/>
<br/><br/><label>ISBN: </label>x  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics  Economics 
<br/><br/><label>Dewey Class. No.: </label>338.6/IND