Geology of tungsten  / 
International Geological Correlation Programme, Project 26 "MAWAM" ; edited by Alexei A. Beus. 
 - Paris :  Unesco,  c1986. 
 - 280 p. :  ill. 
 - Earth sciences;  18 .
<br/><br/><label>ISBN: </label>9231021958 (pbk.) 
<br/><br/><label>LCCN: </label>55051585  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tungsten.<br/>Geochemistry.
<br/><br/><label>LC Class. No.: </label>QE516.W1  / G46 1986