Referenz (Smooth)

1. William H. Press, Brian P. Flannery, Saul A. Teukolsky, William T. Vetterling. Numerical Recipes in C: The Art of Scientific Computing. Cambridge University Press, 1992. S. 650-655.
2. Savitzky, A. und Golay, M.J.E. Smoothing and Differentiation of Data by Simplified Least Squares Procedures. Analytical Chemistry 36(8):1627-1639, July 1964.