Mc Kinstry, Hugh Exton <br/><br/>
Geologia de Minas :    /  
Mc Kinstry, Hugh Exton 
 - 4a ed. 
 - Barcelona ;   Omega ,   1977 
 - 671 P ;   21 cm :    
<br/><br/><label>ISBN: </label>8428200289 
<br/><br/><label>Subjects--Index Terms: </label>GEOLOGIA MINERIA 
<br/><br/><label>Universal Decimal Class. No.: </label>551