@book{13717,
	author = {Anderton, P.},
	title = {Changing to the metric system /},
	publisher = {Her Majesty's Stationery Office,},
	year = {1967.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/B007EL6MMS/chopaconline-20}
}