Tymel, G.W. <br/><br/>
Principles Of Petrology. 

 -  Methuen & Co. Ltd. London.  1950 
 - 283p.  23 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>CIVI
<br/><br/><label>Index Terms--Genre/Form: </label><br/>C-03
<br/><br/><label>Dewey Class. No.: </label> / TYM