1. Colour measurement instruments;Principles of Colour and Appearance Measurement;2014
2. The UNL trichromatic colorimeter;Color Research & Application;2005
3. Practical Guide to Colorimetry of Light Sources;Journal of the Illuminating Engineering Society;1976-04
4. Deuteranopic Convergence Point;Journal of the Optical Society of America;1970-07-01
5. Schleimhautdiagnostik mit der Farbskala nach Hickethier;Fortschritte der Kieferorthopädie;1968-09