@book{93544,
	author = {Morales Reyes, Alexis},
	title = {Etiología y control de la pudrición blanca y gris del cultivo de lechuga (Lactuca sativa L)},
	publisher = {El autor,},
	year = {2001.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/105107.pdf}
}