@book{89635,
	author = {Barrientos Hernández, Ismael. and Gallegos Zapata, Timoteo.},
	title = {Forrajes estivales para pastoreo /},
	publisher = {El autor,},
	year = {2005.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/101163.pdf}
}