Centers of plant diversity  : a guide and  strategy for their conservation V.1  / 

 - U.K. :  World Wide Fund for Nature (WWF) and IUCN,  c1994. 
 - 354 p. 
<br/><br/><label>ISBN: </label>9782831701974 
<br/><br/><label>Dewey Class. No.: </label>580 DAV.C