Dixen, Dougal <br/><br/>
Rocks & minerals : The Practical guide to geology 

 - London  Quantum Books  1992 
 - 160 p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology<br/>Rocks
<br/><br/><label>Dewey Class. No.: </label>550 D643r