@book{40183,
	author = {Hernández Xolocotzi, Efraím and Bello Baltazar, Eduardo.},
	title = {La milpa en Yucatán :},
	publisher = {Colegio de Postgraduados,},
	year = {1995.},
	address = {Montecillo, Méx. :},
	url = {http://10.13.5.2/tesis/x41241.pdf}
}