John Peterson, Paul Hudak, Conal Elliott. Lambda in Motion: Controlling Robots with Haskell. In Gopal Gupta, editor, Practical Aspects of Declarative Languages, First International Workshop, PADL 99, San Antonio, Texas, USA, January 18-19, 1999, Proceedings. Volume 1551 of Lecture Notes in Computer Science, pages 91-105, Springer, 1999. [doi]