GOTTFRIED, David <br/><br/>
Distribution of gold in igneous rocks / 
by David Gottfried, Jack J. Rowe and Robert I. Tilling. 
 -- Washington :   United States Government Printing Office,   1972 
 - 42 p. -- 
 (Geological Survey Professional Paper  ; 727).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocas ígneas<br/>Yacimientos de oro
<br/><br/><label>Universal Decimal Class. No.: </label>552.3:553.41