@book{167688,
	author = {González Reyes, Norma Eustolia and Arroyo Morales, Franco F.},
	title = {Diagnóstico del estado mineral (Cu Fe y Zn) de ovinos en el ex-lago de Texcoco  /},
	publisher = {El autor,},
	year = {1991},
	address = {México, D. F.  :}
}