Atomic-absorption methods of analysis useful in Geochemical exploration / 
by F. N. Ward...[et al.] ; a compilation of atomic absorption methods yielding data on geologic materials useful in geochemical prospecting ore deposits 
 - Washington, D.C. :  United States Government Printing Office,  1969 
 - iii, 45 p. ;  24 cm. 
 - Geological Survey Bulletin ;  Bull. no. 1289 .
<br/><br/>Bibliography: p. 42-45 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spectrum analysis<br/>Geochemical prospecting
<br/><br/><label>Dewey Class. No.: </label>622.12