Baedecker, Philip A. <br/><br/>
Methods for geochemical analysis. (Analytical methods used in the Geological Division Laboratories of the U.S. Geological Survey for the inorganic chemical analysis of rock and mineral samples 

 - Washington, D.C.  U.S. Geological Survey  1987 
 - p. irreg. 
 - U.S. Geological Survey Bulletin  n.1770 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>ANALISIS GEOQUIMICO<br/>GEOQUÍMICA