Exchange adsorption of Strontium on clay minerals / 
by J. S. Wahlberg...[et al.]. 
 -- Washington :   United States Government Printing Office,   1965 
 - 26 p. -- 
 (Geological Survey Bulletin  ;  1140-C).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geoquímica
<br/><br/><label>Universal Decimal Class. No.: </label>550.4