Report of a Working Group on Sunflower : fourth meeting, held at Facoltà di Agraria, Università degli Studi di Pisa. Pisa, Italy 11-12 May 1991
European Cooperative Programme for Crop Genetic Resources Networks (ECP/GR); IBPGR.
Rome : IBPGR, 1992.
1 vol. (sin paginar) : ilustraciones ; 30 cm.
Disponible también en línea.