Evans, I. O.  1894-1977. <br/><br/>
Rocks, minerals & gemstones 
[by] I. O. Evans. 
 - London :  Hamlyn Publishing Group,  1972. 
 - 128 pages :  illustrations (some color)  30 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><br/>in English. 
<br/><br/><label>ISBN: </label>0600375374 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petrology.<br/>Mineralogy.
<br/><br/><label>LC Class. No.: </label>QE 432  / E93 1973