1. An Introduction to Splines for Use in Computer Graphics and Geometric Modeling;Bartels,1987
2. Computational methods for generalized cross-validation with large data sets;Bates,1982
3. Curve fitting by segmented straight lines;Bellman;Journal of the American Statistical Association,1969
4. Robust locally weighted regression and smoothing scatterplots;Cleveland;Journal of the American Statistical Association,1979
5. The many faces of a scatterplot;Cleveland;Journal of the American Statistical Association,1984