Geller . <br/><br/>
MACGRAW HILL Encyclopedia of Science & Technology (Vol-1)   Textual Documents 

 - 2002. 
 - New Delhi  Tata McGraw Hill  2002 
 - 712p. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Index Terms: </label>Dictionaries & encyclopedias 
<br/><br/><label>Dewey Class. No.: </label>503  / GEL