@book{49791,
	author = {Hj�rland, Birger. and ebrary, Inc.},
	title = {Library and information science and the philosophy of science},
	publisher = {Emerald Group Publishing,},
	year = {c2005.},
	series = {Journal of documentation ;},
	address = {Bradford, England :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10085677}
}