@book{206187,
	author = {Robertson, E.I. and Carves, J.S. / Cook, J. W.},
	title = {Gross value of protein supplements for poultry  /},
	publisher = { State College of Washington. Agricultural Experiment Station},
	address = {Pullman, Washington :},
	note = {Encuadernado con otros impresos similares}
}