Methods for geochemical analysis / 
edited by Philip A. Baedecker 
 - Washington :  U.S. G.P.O.,  1987 
 - 1. v. (various pagings) :  ill. ;  28 cm. 
 - U.S. Geological Survey bulletin ;  1770 .
<br/><br/>Includes bibliographies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Analytical geochemistry
<br/><br/><label>Dewey Class. No.: </label>551.9