Herz, Norman  1923-2013 <br/><br/>
Gneissic and igneous rocks of the Quadrilátero ferrífero, Minas Gerais, Brazil / 
by Norman Herz. 
 -- Washington :   United States Government Printing Office,   1970 
 - 58 p. -- 
 (Geological Survey Professional Paper  ;  641-B).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minas Gerais ( Brasil )<br/>Rocas ígneas
<br/><br/><label>Universal Decimal Class. No.: </label>552.3(815.1)