@book {307696,
	title = {Causation: A User{\textquoteright}s Guide},
	year = {2013},
	publisher = {Oxford University Press},
	organization = {Oxford University Press},
	address = {Oxford},
	url = {http://hollis.harvard.edu/?itemid=|library/m/aleph|013719893},
	author = {Ned Hall and Paul, Laurie}
}
