@book{83844,
	author = {Levene, M. and ebrary, Inc.},
	title = {An introduction to search engines and web navigation},
	publisher = {Wiley,},
	year = {c2010.},
	address = {Hoboken, NJ :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10419216}
}