@book{79258,
	author = {O'Brien, Michael J. and ebrary, Inc.},
	title = {Measuring the flow of time},
	publisher = {University of Alabama Press,},
	year = {c1999.},
	series = {Classics in southeastern archaeology},
	address = {Tuscaloosa :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10408274}
}