(1)
Douira, A.; Achbani, A.; Tourvieille, D.; Bahsine, M.; Serrhini, M. N.; Laamaraf, N. Downy Mildew («Plasmapara halstedii») : Importance and Geographical Distribution on Sunflower in Morocco. Phytopathol. Mediterr. 2000, 39, 283-288.