Sachse, S., Rappert, A., & Galizia, C. G. (1999). The spatial representation of
chemical structures in the antennal lobe of honeybees: steps towards the olfactory code. European
Journal of Neuroscience: European Neuroscience Association, 11(11), 3970-3982.
doi:10.1046/j.1460-9568.1999.00826.x.