1. Spektrale Empfindlichkeit einzelner Sehzellen des Bienenauges;Autrum;Zeitschrift der vergleichenden Physiologie,1964
2. Color opponent coding in the visual system of the honeybee;Backhaus;Vision Research,1991
3. The theory of colour vision and colour choice behaviour in the honeybee;Backhaus;Verhandlungen der Deutschen Zoologischen Gesellschaft,1991
4. Bezold-Brücke colour shifts exist in the bee as predicted. Synapse-transmission-modulation;Backhaus,1991
5. Color distance derived from a receptor model for color vision in the honeybee;Backhaus;Biological Cybernetics,1987