@book{166638,
	author = {Vassallo Muniz, Carlos César},
	title = {Principales razas lecheras /},
	publisher = {UACH. Departamento de Zootecnia,},
	year = {1980},
	address = {Chapingo, Méx. :},
	note = {Reimpreso de: Apuntes del curso de Bovinos lecheros}
}