Ahrens, L. H.  1918- <br/><br/>
Distribution of the elements in our planet / 
L. H. Ahrens 
 - New York :  McGraw-Hill,  1965 
 - xi, 110 p. :  ill. ;  21 cm. 
 - Earth and planetary science series .
<br/><br/>Bibliography: p. 101-102 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geochemistry