1. and in: Proceedings of the IVth International Joint Conference on Pattern Recognition. Kyoto 1978, pp. 834-836.
2. Digital Picture Analysis In Microphotometry Of Biological Materials
3. and in: (Ed.), Informatik-Fachberichte. Springer-Verlag, Berlin 1979, Vol. 20, pp. 254-259.
4. and in: and (Eds.), Methods in prenatal toxicology, Georg Thieme, Stuttgart 1977, pp. 303-313.
5. and Pattern Recogn. 1980 (in press).