@book{44737,
	author = {Boszhardt, Robert F. and ebrary, Inc.},
	title = {A projectile point guide for the Upper Mississippi River Valley},
	publisher = {University of Iowa Press,},
	year = {c2003.},
	series = {A Bur Oak guide},
	address = {Iowa City :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10354496}
}