Evans, W. Duane. <br/><br/>
The interindustry relations study for 1947 /  
W. Duane Evans and Marvin Hoffenberg. 
 - Harvard :   University of Harvard,   [1952] 
 - 23 h. ;   28 cm. 
<br/><br/> Es separata de: "The Review of Economis and Statistics", nº 2,may 1952, pág. 97-141.