1. Åkesson S, Wehner R (2002) Visual navigation in desert ants Cataglyphis fortis: are snapshots coupled to a celestial system of reference? J Exp Biol 205:1971–1978
2. Batschelet E (1981) Circular statistics in biology. Academic Press, New York
3. Bisch S, Wehner R (1998) Visual navigation in ants: evidence for site-based vectors. Proceedings of the 26th Neurobiology Conference, Göttingen, p 417
4. Chittka L (1998) Sensorimotor learning in bumblebees: long-term retention and reversal training. J Exp Biol 201:515–524
5. Chittka L, Kunze J, Shipman C, Buchmann SL (1995) The significance of landmarks for path integration in homing honeybee foragers. Naturwissenschaften 82:341–343