@book{4227,
	author = {Berman, Morris},
	title = {Dark ages America :},
	publisher = {Norton},
	year = {2006},
	address = {New York [u.a.]},
	edition = {1. ed.},
	note = {Includes bibliographical references (p. [331]-371) and index},
	url = {http://www.loc.gov/catdir/toc/ecip062/2005030773.html}
}