GOTTFRIED, David <br/><br/>
Evaluation of the lead-Alpha (Larsen) method for determining ages of igneous rocks / 
by David Gottfried, Howard W. Jaffe and Frank E. Senftle. 
 -- Washington :   United States Government Printing Office,   1959 
 - 63 p. -- 
 (Geological Survey Bulletin  ;  1097-A).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geocronología<br/>Rocas ígneas
<br/><br/><label>Universal Decimal Class. No.: </label>550.93 ; 552.11