Ehlers, Ernest G. . <br/><br/>
Petrology /  Textual Documents 
Ernest G. Ehlers & Harvey Blatt. 
 - 1st ed / 
 - Delhi :  CBS Publishers & Distributors ,  1987. 
 - xvi, 732p. :  ill. ;  22cm. . 
<br/><br/>Index 
<br/><br/><label>ISBN: </label> HB 
<br/><br/><label>Subjects--Index Terms: </label>Geology-Petrology Petrology-Rocks Petroleum geology Rocks-Petrology PG-Geology 
<br/><br/><label>Dewey Class. No.: </label>552.5  / Eh 56 Pe