@book{219495,
	author = { Dryden, Gordon McL. and Ducar Maluenda, Pedro},
	title = {Ciencia de la nutrición animal /},
	publisher = {Acribia,},
	year = {2016},
	address = {Zaragoza, España:},
	note = {ej.1: consumo \ ej.2 - ej.4: S/N (sin sellos)}
}