Gupta Alok K <br/><br/>
Petrology and Genesis of Leucite Bearing Rocks 
/ by Alok K Gupta  
 - New York  Springer Verlag  1980 
 - 251p. 
<br/><br/><label>ISBN: </label>354009864 
<br/><br/><label>Dewey Class. No.: </label>549.68  / GUP/P