@book{2803,
	author = {Anderton, Pamela. and Bigg, P. H., and National Physical Laboratory (Great Britain)},
	title = {Changing to the metric system :},
	publisher = {H.M. Stationery Off.,},
	year = {1979.},
	address = {London :},
	edition = {5th ed.},
	note = {"Since the retirement of Mr. P. H. Bigg, Mr. B. Swindells has collaborated in the preparation of the revised editions."}
}