1. Color order systems and architectural color design
2. Optical Color and Simultaneity, Van Nostrand Reinhold, New York, 1983.
3. and , Principles of Color Technology, 2nd ed., Wiley, New York, 1981, Plate VIII.
4. Theory and Practice of Color, Van Nostrand Reinhold, New York, 1975, p. 94.
5. Lights and Pigments: Color for Artisis, Harper and Row, New York, 1980, color plate 4.2.