Ribi W, Wehrhahn, C Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Praagh, J., Ribi W, Wehrhahn, C., & Wittmann, D. (1980). Drone bees fixate the queen with the dorsal frontal part of their compound eyes. Journal of Comparative Physiology, 136(3), 263-266. doi:10.1007/BF00657542.