Kroch, Eugene A. <br/><br/>
copper data.   . 

 - New York :  Columbia University, Graduate School of Business,  1953. 
 - [76 .]P. 
 - Research paper ; .
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE
<br/><br/><label>Dewey Class. No.: </label>699.3  / COP