Encyclopaedia of Science and Technology 2 

 - New Delhi :   Crest Publishing House,   c1994 
<br/><br/>
<br/><br/>v. 2.   
<br/><br/><label>ISBN: </label>8121200394 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Dewey Class. No.: </label>503  / ENC