Collins, Norman R. <br/><br/>
Concentration and price-cost margins in manufacturing industries / 
Norman R. Collins & Lee E. Preston 
 - Berkeley      California University Press  US 1968     
 - xvi, 163p. ;  22 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Prices<br/>Input output tables
<br/><br/><label>Dewey Class. No.: </label>338.52  / COL