@book{20294,
	author = {Walravens, Hartmut, and ebrary, Inc.},
	title = {Newspapers collection management: printed and digital challenges},
	publisher = {Saur,},
	year = {2008.},
	series = {IFLA publications,},
	address = {M�unchen :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10275889}
}