@book{220999,
	author = {Sapolsky, Robert M.},
	title = {Why zebras don't get ulcers / Robert M. Sapolsky.},
	publisher = {Times Books},
	year = {c2004.},
	address = {New York},
	edition = {3rd ed.},
	note = {"An Owl Book."},
	url = {http://www.loc.gov/catdir/bios/hol055/2004046044.html}
}