Katritzky Alan R  M.Lagowski <br/><br/>
Principles of Heterocyclic Chemistry 

 - 1 
 - Hyderabad  Pharmamed Press  1967 
 - 183 
<br/><br/><label>ISBN: </label>9788188449880 
<br/><br/><label>Dewey Class. No.: </label>547.59 N67 KAT