1. Pattern Recognition with Fuzzy Objective Functions;Bezdek,1981
2. FCM: the fuzzy c-means clustering algorithm;Bezdek;Comput. Geosci.,1984
3. The geochemistry of arsenic and its use as an indicator element in geochemical prospecting;Boyle;J. Geochem. Explor.,1973
4. Richtwerte '76 über Arsen-, Blei-, Cadmium- und Quecksilbergehalte in Lebensmitteln;BGA (Bundesgesundtheitsamt);Bundesgesundheitsblatt,1977
5. Richtwerte für Schadstoffe in Lebensmitteln;BGA (Bundesgesundtheitsamt);Bundesgesundheitsblatt,1993