@book{121459,
	author = {Bryan, T. Scott, and Pratt, Daniel,},
	title = {The geysers of Yellowstone /},
	publisher = {University Press of Colorado,},
	year = {2008.},
	address = {Boulder, Colorado :},
	edition = {Fourth edition.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10761303}
}