Gupta, R.K.  . <br/><br/>
Encyclopaedia of chemistry /  
by R.K. Gupta. 
 - New Delhi :   Cyber Tech Publications ,   2003 
 - 3 vols ;  
<br/><br/><label>ISBN: </label>81-7884-085-5(set) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry- Encyclopaedia
<br/><br/><label>Dewey Class. No.: </label>Ek  / P3.3