Genetical studies of nectar and pollen production in sunflower F. Vear, M. Pham-Delegue, D. Tourvieille de Labrouhe, R. Marilleau, Y. Loublier, M. le Métayer, P. Douault and JP Philippon Agronomie, 10 3 (1990) 219-231 DOI: 10.1051/agro:19900305
