1. Floral Scent and Pollinator Attraction in Sexually Deceptive Orchids
2. Importance of olfactory and visuel cues of Echium for host-plant finding of the oligolectic bee Osmia adunca (Megachilidae);Burger;Mitteilungen der Deutschen Gesellschaft für Allgemeine und Angewandte Entomologie,2008
3. The colour hexagon: a chromaticity diagram based on photoreceptor excitations as a generalized representation of colour opponency;Chittka;Journal of Comparative Physiology A Sensory Neural & Behavioral Physiology,1992
4. Recognition of flowers by pollinators;Chittka;Current Opinion in Plant Biology,2006