Ries, H. <br/><br/>
Economic geology. 

 - London :  J.Wiley & Sons,  1942. 
 - 720 p. :  il. ;  23 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología económica
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>553.3/.9