@book{80575,
	author = {Hansen, Thor A. and Slesnick, Irwin L. and ebrary, Inc.},
	title = {Adventures in paleontology},
	publisher = {NSTA Press,},
	year = {c2006.},
	address = {Arlington, VA :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10132087}
}