Kirkerud, Nicholas H. IMPRS for Organismal Biology, Univ. Konstanz, Seewiesen, Max Planck Institut für Ornithologie, Max Planck Society;
Kirkerud, N. H., Wehmann, H. N., Galizia, C. G., & Gustav, D. (2013). APIS - A novel approach for conditioning honey bees. Frontiers in Behavioral Neuroscience, 7: 29. doi:10.3389/fnbeh.2013.00029.