@book{54285,
	author = {Harrison, Roy M., and Royal Society of Chemistry (Great Britain)},
	title = {Biodiversity under threat},
	publisher = {Royal Society of Chemistry,},
	year = {2007.},
	series = {Issues in environmental science and technology ;},
	address = {Cambridge :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10618812}
}