Klein, Cornelis. <br/><br/>
Minerals and rocks :  exercises in crystallography, mineralogy, and hand specimen petrology / 
Cornelis Klein. 
 - New York :  Wiley,  c1989. 
 - x, 402 p. :  ill. 
<br/><br/><label>ISBN: </label>0471622079 
<br/><br/><label>LCCN: </label>92026271     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineralogy--Problems, exercises, etc.<br/>Petrology--Problems, exercises, etc.