@book{133586,
	author = {Bell, F. G. and ebrary, Inc.},
	title = {Engineering geology},
	publisher = {Butterworth-Heinemann,},
	year = {2007.},
	address = {Oxford ;},
	edition = {2nd ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10160364}
}