FRONDEL, Clifford <br/><br/>
Systematic mineralogy of Uranium and Thorium / 
by Clifford Frondel. 
 -- Washington :   United States Government Printing Office,   1958 
 - 400 p. -- 
 (Geological Survey Bulletin  ; 1064).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Yacimientos de Torio<br/>Yacimientos de Uranio
<br/><br/><label>Universal Decimal Class. No.: </label>553.493.6+553.495