@book{163193,
	author = {Easter School in Agricultural Science (35 : 1983 : University of Nottingham) and Haresing, William, comp.},
	title = {Sheep production  /},
	publisher = {Butterworths,},
	year = {    },
	address = {Inglaterra  :},
	note = {También Titulado: [Proceedings of the Easter School in Agricultural Science ...]}
}