@incollection{PatersonRA:fop,
	title = "Arrows and Computation",
	author = "Ross Paterson",
	booktitle = "The Fun of Programming",
	editor = "Jeremy Gibbons and Oege de Moor",
	url = "http://www.soi.city.ac.uk/~ross/papers/fop.html",
	publisher = "Palgrave",
	pages = "201-222",
	year = 2003
}