@book{164242,
	author = {Holmes, Colín William and Wilson, G. F.},
	title = {Producción de leche en praderas /},
	publisher = {Acribia,},
	year = {1989},
	address = {Zaragoza:},
	note = {ej.1: 188980 \ ej.2: 199295 \ ej.3: 218467 \ ej.4: 209957}
}