@book{13337,
	author = {Vickery, B. C. and Vickery, A. and ebrary, Inc.},
	title = {Information science in theory and practice},
	publisher = {K.G. Saur,},
	year = {2004.},
	address = {M�unchen :},
	edition = {3rd rev. & enlarged ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10256701}
}