Kirschfeld, K Former Department Comparative Neurobiology, Max Planck Institute for Biological Cybernetics, Max Planck Society; Max Planck Institute for Biological Cybernetics, Max Planck Society;
http://zfn.mpdl.mpg.de/data/Reihe_C/30/ZNC-1975-30c-0088.pdf (Any fulltext)
Kirschfeld, K., Lindauer, M., & Martin, H. (1975). Problems of menotactic orientation according to the polarized light of the sky. Zeitschrift für Naturforschung, C: Journal of Biosciences, 30(1-2), 88-90. doi:10.1515/znc-1975-1-219.