@book{1413,
	author = {Lépiz Leal, Rogelio.},
	title = {Control químico de la cenicilla Podosphaera Leucotricha (E y E) Salm. y roña del manzano Ventura inaequalis (Cue. Wint.) en Zacatlán, Pue.},
	publisher = {El autor,},
	year = {1990},
	address = {Chapingo, Méx. :},
	note = {41-184}
}