@book{59239,
	author = {Lawn, Richard E. and Prichard, F. Elizabeth and ebrary, Inc.},
	title = {Measurement of mass},
	publisher = {Royal Society of Chemistry,},
	year = {2003.},
	series = {Practical laboratory skills training guides},
	address = {Cambridge :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10676896}
}