@book{97537,
	author = {Pérez Reyes, Beatríz.},
	title = {Escala de daño para Alternaria mali en el cultivo de manzano},
	publisher = {El autor,},
	year = {2009},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/109194.pdf}
}