Tyrrell, G.W. <br/><br/>
Principles of petrology 

 - London  Methuen and Co. 
 - xii,336p.  19cm. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Principles of petrology
<br/><br/><label>Dewey Class. No.: </label>552  / T98P