Day, Frank Henry <br/><br/>
The chemical elements in nature / 
by F.H. Day 
 - London :  George G. Harrap & Co,  1963 
 - 372 p. :  ill. ;  23 cm. 
<br/><br/>Bibliography: 363-364 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical elements<br/>Geochemistry