@book{127797,
	author = {Achinstein, Peter. and ebrary, Inc.},
	title = {The book of evidence},
	publisher = {Oxford University Press,},
	year = {2001.},
	series = {Oxford studies in philosophy of science},
	address = {Oxford ;},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10212287}
}