Krauskopt, Konrad B.. <br/><br/>
Introduction to Geochemistry /  Textual Documents 
Konrad B.Krauskopt. 
 - 2nd edn. 
 - New York  McGraw - Hill book company  ©1973. 
 - 617pg:  ill ; index;  23cm. 
<br/><br/><label>ISBN: </label>0-07-035447-2 
<br/><br/><label>Subjects--Index Terms: </label>Geology 
<br/><br/><label>Dewey Class. No.: </label>551.9