@InProceedings{avoidupd92,
   author = {J. Launchbury and A. Gill and J. Hughes and S. Marlow and S. {Peyton Jones} and P. Wadler},
   title = {Avoiding Unnecessary Updates},
   booktitle = {Proceedings of the 1992 Glasgow Workshop on Functional Programming},
   year = {1992},
   address = {Ayr, Scotland},
   publisher = {Springer-Verlag},
   series = {Workshops in Computing}
}