@book{56786,
	author = {Pollard, A. Mark. and Heron, Carl. and ebrary, Inc.},
	title = {Archaeological chemistry},
	publisher = {Royal Society of Chemistry,},
	year = {1996.},
	address = {Cambridge :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10621287}
}