@book{169694,
	author = {Barrios Colmenares, Mario Giovanni and  González Alcorta, Mariano, asesor },
	title = {Suplementación de selenio a becerras en reemplazo  /},
	publisher = {El autor,},
	year = {2010},
	address = {México  :},
	url = {http://10.13.5.2/tesis/112129.pdf}
}