BEETEM, W. A. <br/><br/>
Use of Cesium-137 in the determination of cation exchange capacity / 
by W. A. Beetem, V. J. Janzer and J. S. Wahlberg. 
 -- Washington :   United States Government Printing Office,   1962 
 - 8 p. -- 
 (Geological Survey Bulletin  ;  1140-B).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geoquímica
<br/><br/><label>Universal Decimal Class. No.: </label>550.4