@book{533359,
	author = {Russell, Bertrand,},
	title = {Our knowledge of the external world :},
	publisher = {Routledge,},
	year = {2009.},
	series = {Routledge classics},
	address = {London ;},
	note = {Orignally published: Chicago : Open Court Pub. Co., 1914.},
	url = {http://www.loc.gov/catdir/enhancements/fy1101/2008045891-b.html}
}