Ehlers, Ernest G. Blatt, Harvey. <br/><br/>
Petrology : igneous , sedimentary , and metamorphic 
Ernest G. Ehlers, Harvey Blatt. 
 -  Freeman San Francisco  1982  c1982 
 - xvi, 732 p. :ill. ;24 cm. 
<br/><br/> Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>0716712792 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petrology.--QE
<br/><br/><label>LC Class. No.: </label>QE431.2.E38