@book{1966,
	author = {Venado Durán, Uriel Pablo.},
	title = {Control químico del tizon tardío de la pa Phytophthora infestans (Mont.) de Bary en Calimaya, México},
	publisher = {El Autor,},
	year = {1991},
	address = {Chapingo, Méx. :},
	note = {D43-247}
}