Developing crop descriptor lists. - Guidelines for developers. Bioversity Technical Bulletin No. 13 

 - Rome, Itlay  Bioversity International  2007 
 - xii+72p. 
<br/><br/><label>ISBN: </label>978--92-9043-792-1 
<br/><br/><label>Subjects--Index Terms: </label>DESCRIPTOR GUIDELINE DEVELOPMENT 
<br/><br/><label>Dewey Class. No.: </label>631.5