Industrial minerals and rocks. 

 - New York :  The Am.Inst.of Min.and Met.Eng,  1937. 
 - 955 p. :  il. ;  23 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología económica<br/>Minerales<br/>Roca
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>553.5/.6