GUPTA ,R R &OTHERS <br/><br/>
HETEROCYCLIC CHEMISTRY: PRINCIPLES, THREE AND FOUR-MEMBERED HETEROCYCLES 

 - DELHI  Springer  1999 
 - 638p;23X15Cms. 
<br/><br/><label>ISBN: </label>978818128221 
<br/><br/><label>Dewey Class. No.: </label>547.59 G9774