@book{82663,
	author = {Gerardo de la Cruz, Carlos. and Hernández Villar, Erwin.},
	title = {Balance energético en vacas lactantes Holstein asignadas a dietas con Metionina y grasa sobrepasantes},
	publisher = {El autor,},
	year = {2000.},
	address = {Chapingo, Méx. :}
}