1. Multidimensional scaling of the color space of honeybees;Backhaus;Verhandlungen der Deutschen Zoologischen Gesellschaft,1984
2. Color distance derived from a receptor model of color vision in the honeybee;Backhaus;Biological Cybernetics,1987
3. Multidimensional scaling of color similarity in bees;Backhaus;Biological Cybernetics,1987
4. Color, hue and wavelength;Boynton,1975
5. Physiologie der Nervenzelle und ihrer Synapsen;Eccles,1980