Carbon-13 NMR of flavonoids 
edited by P.K. Agrawal. 
 - New York  Elsevier  1989 
 - xvi,564p., illus.; 25cm.- (Studies in organic chemistry 39)..- (V.39). 
<br/><br/><label>ISBN: </label>0-444-87449-6. 
<br/><br/><label>Dewey Class. No.: </label>547  / C19C