Ahrens, L. H <br/><br/>
Distribution of the elements in our planet 
L. H. Ahrens 
 - New York  McGraw-Hill  1965 
 - xi, 110p. 
 - Earth and planetary science series .
<br/><br/><label>Subjects--Topical Terms: </label><br/> Elemental abundance<br/>Astronomy and astrophysics thesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>52-36  / AHR