Delvin, Samuel <br/><br/>
Problems in aromatic chemistry 
Samuel Delvin 
 - 1st. ed 
 - Delhi  IVY Publishing House  2003 
 - 140p. 
<br/><br/><label>ISBN: </label>81-7890-073-4 
<br/><br/><label>Dewey Class. No.: </label> / DEL