1. M. H. J. van Rijswick, Thesis (1974), Eindhoven University of Technology.
2. Ya. Z. Tsypkin, Adaptation and Learning in Automatic Systems, Academic Press, London 1971, Ch. 2.
3. M. Goeder, G. Guiochon, J. Chromatog. Sci.11, 326 (1973).
4. S. N. Chesler, S. P. Cram, Anal. Chem.43, 1922 (1971).
5. A. D. Whalen, Detection of Signals in Noise, Academic Press, New York (1971), p. 126.