@book{49740,
	author = {Kopfer, Herbert. and ebrary, Inc.},
	title = {International journal of physical distribution & logistics management.},
	publisher = {Emerald Group Publishing,},
	year = {c2005.},
	address = {Bradford, England :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10085626}
}