Minerals yearbook 1971 

 - Washington:   Bureau of Mines,   1971 
 - viii, 1111p.  
<br/><br/> Vol.3 (Area reports: international)  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Yearbooks 
<br/><br/><label>Subjects--Index Terms: </label>Minerals  
<br/><br/><label>Universal Decimal Class. No.: </label>R 553(058)(73)  / L3