1. Martens, H., Wold, S. and Martens, M. (1983) A layman’s guide to multivariate data analysis. Proc. IUFoST Symp. “Food Research and Data Analysis”, Oslo, Norway, September 1982. (Martens and Russwurm, eds.) Applied Science Publ., pp. 473492.
2. Martens, H. and Nees, T. (1983) Calibration as a practical problem. Proc. Nordic Symp. on Applied Statistics, Stokkand Forlag Publ., Stavanger, Norway, pp. 113–135.
3. Nees, T. and Martens, H. (1983) Calibration as a statistical problem. Proc. Nordic Symp. on Applied Statistics, Stokkand Forlag Publ., Stavanger, Norway, pp. 137–164.
4. Lea, P., Martens, H., Mielnik, M. and Slinde, E. (1983) Analysis of mixtures: Hemoglobin and myoglobin in various molecular states determined from visible light spectra. Proc. Nordic Symp. on Applied Statistics, Stokkand Forlag Publ., Stavanger, Norway, 165–183.
5. Wetzel, D.L. (1983) Near-Infrared Reflectance Ana- lysis: Sleeper among spectroscopic techniques. Analytical Chemistry 55, 12, pp. 1165A - 1176A.