@book{438,
	author = {Calderón Amador, J. Heriberto.},
	title = {La producción de limón, Citrus aurantifolia (Christm,) Swingle, en el Valle de Apatzingán, Michoacán},
	publisher = {Ela autor,},
	year = {1989},
	address = {Chapingo, Méx. :},
	note = {36-152}
}