%0 Conference Proceedings %F jovo2004 %A Johann, Patricia %A Voigtl\"ander, Janis %T Free Theorems in the Presence of seq %B Proceedings 31st Symposium on Principles of Programming Languages (POPL), Venice, Italy %I ACM Press %U http://www.diku.dk/hjemmesider/ansatte/henglein/papers/johann2004.pdf %D 2004 %K parametricity