Wikelski, Martin Abteilung Wikelski, Radolfzell, Max Planck Institut für Ornithologie, Max Planck Society;
Hagen, M., Wikelski, M., & Kissling, W. D. (2011). Space use of bumblebees (Bombus spp.) revealed by radio-tracking. PLoS One, 6(5): e19997. doi:10.1371/journal.pone.0019997.