@book{80860,
	author = {Clack, Jennifer A., and ebrary, Inc.},
	title = {Gaining ground},
	publisher = {Indiana University Press,},
	year = {c2011.},
	series = {Life of the past},
	address = {Bloomington :},
	edition = {2nd ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10571227}
}