@book{5560,
	author = {Puebla Espinosa, Alicia.},
	title = {Zonificación agroecológica para cacao (Theobroma cacao L.) en Tabasco},
	publisher = {El Autor,},
	year = {1990},
	address = {Montecillo, Méx. :},
	note = {58-99}
}