GUPTA (R R);others. <br/><br/>
Heterocyclic chemistry: five-membered heterocycles.V2. 

 - New Delhi  Springer Pvt Ltd  2005 
 - x,422  PB 
 -  2 .
<br/><br/><label>ISBN: </label>8180520897 
<br/><br/><label>Dewey Class. No.: </label>547.59   / GUPR