A history of Haskell: being lazy with class.

Paul Hudak John Hughes Simon L. Peyton Jones Philip Wadler A history of Haskell: being lazy with class. 1-55 2007 conf/hopl/2007 HOPL http://doi.acm.org/10.1145/1238844.1238856 db/conf/hopl/hopl2007.html#HudakHJW07