@book{89091,
	author = {Ruiz Guzmán, José Luis. and Gómez González, Gerardo},
	title = {Diseño de un laboratorio experimental de economía aplicada :},
	publisher = {El autor,},
	year = {2006.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/100619.pdf}
}