@book{227761,
	author = {Leng, Mary. and ebrary, Inc.},
	title = {Mathematical knowledge},
	publisher = {Oxford University Press,},
	year = {2007.},
	address = {Oxford :},
	note = {"Stems from a conference on Mathematical Knowledge, held in Cambridge from 30 June to 2 July 2004"--Pref.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10211968}
}