Foster, Margaret Dorothy   1895-1970 <br/><br/>
Interpretation of the composition of Trioctahedral Micas / 
by Margaret D. Foster. 
 -- Washington :   United States Government Printing Office,   1960 
 - 48 p. -- 
 (Geological Survey Professional Paper  ;  354-B).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geoquímica
<br/><br/><label>Universal Decimal Class. No.: </label>550.4