Report of a working group on sunflower :  (4th meeting) held at Facolta di Agraria, Universita degli Studi di Pisa, Pisa, Italy, 11 - 12 May 1991 / 
European Cooperative Programme for Crop Genentic Resources Networks. 
 - Rome :  ECPCGRN,  1992. 
 - iii, [36] p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sunflower.