1. S. Wold, C. Albano, W. J. Dunn III, U. Edlund, K. Esbensen, P. Geladi, S. Hellberg, E. Johansson, W. Lindberg, M. Sj�str�m, in:Chemometrics ? Mathematics and Statistics in Chemistry (B. Kowalski, ed.), NATO ASI-Series, Reidel, Dordrecht, 1983, p. 17.
2. T. Jacobsen, R. W. Gunderson, in:Statistical Procedures for the Food Industry (J. J. Piggott, ed.), Elsevier, London, 1987, p. 361.
3. C. Z�rcher, R. Gruss, H. Alex, K. Kleber,EBC-Symposium on the Relationship Between Malt and Beer (European Brewery Convention, Monograph VI), Helsinki, 1980, p. 260.
4. T. Jacobsen,J. Inst. Brew. 1986,92, 177.
5. R. W. Gunderson, D. L. Denq,A Manual for Using the Program FCVPC, Dept. of Mathematics, Utah State University, Logan, Utah, U. S. A., 1984.