Blair John M <br/><br/>
Economic concentration    Structure, behaviour and    
Blair John M 
 - New York  Harcourt Broce Jovanovich U.S .A.       1972 
 - xvii, 742p. Appendix p 709-13  cm. 
<br/><br/><label>ISBN: </label>0155187813 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trade
<br/><br/><label>Dewey Class. No.: </label>X9:517.73.N7, L2