@book{97478,
	author = {Medina Pitalúa, Juan Lorenzo. and Domínguez Valenzuela, José Alfredo.},
	title = {Manual de prácticas :},
	publisher = {UACH. Departamento de Parasitología Agrícola,},
	year = {1992},
	address = {Chapingo, Méx. :}
}