@book{99017,
	author = {Gómez Alcántara, Antonio.},
	title = {Rentabilidad e impacto ambiental de la quesería en el Valle de Tulancingo, Hidalgo},
	publisher = {El autor,},
	year = {2010},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/110675.pdf}
}