1. Berks G., Keyserlingk D. G. v. (1998) Segmentation and Knowledge Presentation in Medical Image Processing using Fuzzy Sets. In: Proc. EUFIT ‘88, Aachen, pp. 1832–1836.
2. Berks G., Keyserlingk D. G. v. (1999a) The Use Of Fuzzy Sets For Brain Description. In: Proc..EUFIT ‘89, Aachen, in press.
3. Berks G., Keyserlingk D. G. v. (1999b) Means and Requirements for a Roadmap to Promote Fuzzy Technology in Medical Image Processing. In: Proc. ESIT ‘89, ELITE Foundation, Aachen, in press.
4. Bezdek J.C. (1981) Pattern Recognition with Fuzzy Objective Function Algorithms. Plenum Press, New York.
5. Bezdek J.C., Hall L.O., Clark M., Goldgof D., Clarke L.P. (1997a) Medical Image Analysis with Fuzzy Models. Stat. Methods Med. Res. 6: 191–214.