%0 Conference Proceedings %F dhck2007 %A Dreyer, Derek %A Harper, Robert %A Chakravarty, Manuel M. T. %A Keller, Gabriele %T Modular type classes %B POPL '07: Proceedings of the 34th annual ACM SIGPLAN-SIGACT symposium on Principles of programming languages %P 63-70 %I ACM Press %C New York, NY, USA %D 2007 %K parametricity