Perkins,Dexter. <br/><br/>
Mineralogy  Textual Documents 
Dexter Perkins 
 - Third Edn. 
 - New Delhi:  PHI Learning. 
 - 493pg:  30cm. 
<br/><br/><label>Subjects--Index Terms: </label>Geology Deptt-Geology 
<br/><br/><label>Dewey Class. No.: </label>549