@book{68696,
	author = {Gómez González, Roberto.},
	title = {Sistemas agroforestales del Valle de Tecomán, Colima-Coahuayana, Michoacán},
	publisher = {El autor,},
	year = {1988},
	address = {Chapingo, Méx. :},
	note = {31-89}
}