@book{343120,
	author = {Raup, Stanley.},
	title = {Principles of paleontology /},
	publisher = {CBS Publishers & Distributors,},
	year = {2006.},
	address = {[S.l.] :},
	note = {Hardcover.},
	url = {http://www.amazon.com/exec/obidos/ASIN/8123909179/chopaconline-20}
}