1. N. Dyson, Chromatographic Integration Methods, Royal Society of Chemistry, London, 1990.
2. H. Wätzig, Chromatographia33, 218 (1992).
3. J. H. Ahlberg, E. N. Nilson, J. L. Walsh, The Theory of Splines and their Applications, Academic Press, New York 1967.
4. H. Späth, Spline-Algorithmen, 4th edn, Oldenborg, München, 1986.
5. P. Fleischer, doctoral thesis, Würzburg 1989.