@book{170206,
	author = {Ramírez Romero, Marlene and  Hidalgo Moreno, Jorge Angel, asesor},
	title = {Estructura genética de los hatos angus y suizo americano de registro en México  /},
	publisher = {El autor,},
	year = {2016},
	address = {México  :},
	url = {http://10.13.5.2/tesis/sist113290.pdf}
}