Boyle, Edward H. <br/><br/>
Chromium availability in market economy countries and network flow model analysis of world chromium supply / 
by Edward H. Boyle, Jr., Deborah J. Shields, and Lorie A. Wagner. 
 - [PGH, PA] :  U.S. Dept. of the Interior, Bureau of Mines,  1993. 
 - v, 131 p. :  ill. ;  28 cm. 
 - Information circular ;  9337 .
 - Information circular (United States. Bureau of Mines) ;  9337. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>91037287  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chromium industry.
<br/><br/><label>LC Class. No.: </label>TN295  HD9539.C4  / .U4 no. 9337 
<br/><br/><label>Dewey Class. No.: </label>622 s  338.2/7