J. W. Demmel, "On Error Analysis in Arithmetic with Varying Relative Precision", Proceedings of the 8th IEEE Symposium on Computer Arithmetic, Villa Olmo, Como, Italy, May 19-21, 1987
J. W. Demmel, X. Li, "Faster Numerical Algorithms via Exception Handling", Proceedings of the 11th IEEE Symposium on Computer Arithmetic, Windsor, Ontario, Canada, June 29 - July 2, 1993