@inproceedings{PatersonRA:notation, title = "A New Notation for Arrows", author = "Ross Paterson", booktitle = "International Conference on Functional Programming", location = "Firenze, Italy", url = "http://www.soi.city.ac.uk/~ross/papers/notation.html", publisher = "ACM Press", pages = "229-240", month = Sep, year = 2001 }