Hetercyclic  chemistry/ 
Gilchrist,Thomas L. 
 - 3rd ed. 
 - New Delhi:  Pearson,  1997. 
 - 414 p. 
<br/><br/><label>ISBN: </label>9788131707937 
<br/><br/><label>Dewey Class. No.: </label>547.59  / GIL/H