Mercer, Ian,  1944- <br/><br/>
Crystals / 
[Ian F. Mercer]. 
 - 59 pages :  color illustrations ;  20 x 21 cm. 
<br/><br/> Cover title. 
<br/><br/>Includes bibliographical references (p. [3] of cover) and index. 
<br/><br/><label>ISBN: </label>0113100132 9780113100132 
<br/><br/><label>LCCN: </label>93229463  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crystals.
<br/><br/><label>LC Class. No.: </label>QD921  / .M463 1994 
<br/><br/><label>Dewey Class. No.: </label>549.0747471