@book{209355,
	author = {Espejel Zaragoza, José Alfredo and Esparza Torres, Félix},
	title = {Tratamiento de nejayote mediante un biodigestor anaerobio /},
	publisher = {El autor,},
	year = {2005},
	address = {Chapingo, México :},
	url = {http://10.13.5.2/tesis/102686.pdf}
}