Petrology :  Igneous Sedimentary and Metamorphic /  Textual Documents 
Ernest G Ehlers & Harvey Blatt . 
 - First-1987. 
 - New Delhi  CBS Publishers & Distributors 
 - 732pg:  23cm. 
<br/><br/><label>ISBN: </label>9788123910321 
<br/><br/><label>Subjects--Index Terms: </label>Geology Deptt-Geology G-Geology Petrology 
<br/><br/><label>Dewey Class. No.: </label>552