Worldwide directory of mineral industries education and research 

 - Texas:   Gulf Publishing Company,   1968 
 - 451p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineral industries
<br/><br/><label>Subjects--Index Terms: </label>Study and teaching 
<br/><br/><label>Universal Decimal Class. No.: </label>R 622:378].001.5(100)(058.7)  / K8