@book{91826,
	author = {Tzintzun Rascón, Rafael.},
	title = {Análisis económico de la producción lechera familiar en pequeña escala /},
	publisher = {El autor,},
	year = {2005.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/103364.pdf}
}