1. Bates, D. M. and Chambers, J. M. (1992). Nonlinear Models, in Chambers and Hastie (1992), chapter 10, pp. 421–454.
2. Becker, R. A., Cleveland, W. S. and Shyu, M.-J. (1996). The visual design and control of trellis graphics displays, J. of Computational and Graphical Statistics
5(2): 123–156.
3. Chambers, J. M. (1993). Classes and methods in S.II: Future directions, Computatonal Statistics
8(3): 185–196.
4. Chambers, J. M. and Hastie, T. J. (eds) (1992). Statistical Models in S, Wadsworth, Belmont, CA.
5. Cleveland, W. S. (1994). Visualizing Data, Hobart Press.