Wilburn, D. R. <br/><br/>
Magnesium availability--market economy countries :  a minerals availability appraisal / 
by D. R. Wilburn. 
 - [Avondale, Md.] :  U.S. Dept. of the Interior, Bureau of Mines,  [1986] 
 - vi, 24 p. :  ill. 
 - Information circular ;  9112 .
 - Information circular (United States. Bureau of Mines) ;  9112. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Magnesium industry and trade.
<br/><br/><label>LC Class. No.: </label>TN295  HD9539.M25  / .U4 no. 9112 
<br/><br/><label>Dewey Class. No.: </label>622 s  553.4/929�19