@book{164988,
	author = {Cruz Gómez, Marcelino and Zamudio Sánchez, Antonio},
	title = {Suplementación mineral de ovinos en pastoreo en San Isidro Chipila, Tlaxcala  /},
	publisher = {El autor,},
	year = {1996},
	address = {Chapingo, Méx.  :}
}