@book{169499,
	author = {Basilio Jiménez, Antelmo and  González Alcorta, Mariano, director },
	title = {Niveles óptimos biológicos de cobre y cromo en dietas para pollos de engorda  /},
	publisher = {El autor,},
	year = {2011},
	address = {Chapingo, México  :},
	url = {http://10.13.5.2/tesis/114243.pdf}
}