@book{87643,
	author = {Cambrano Cruz, Juan. and Guzmán Legarrea, Jorge.},
	title = {Criterios de clasificación de carne y canales bovinas en norteamerica},
	publisher = {El autor,},
	year = {2003.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/99160.pdf}
}