@book{80571,
	author = {Ferrera Cerrato, Ronald. and Pérez Moreno, Jesús},
	title = {Manejo de agroecosistemas sostenibles},
	publisher = {Universidad Veracruzana},
	year = {1998.},
	series = {Textos universitarios},
	address = {Xalapa, Ver.. :}
}