[1] Bolte, P., Bleibaum, F., Einwich, A., Guenther, A., Liedvogel, M., Heyers, D., Depping, A., Woehlbrand, L., Rabus, R., Janssen-Bienhold, U., and Mouritsen, H., “Localisation of the Putative Magnetoreceptive Protein Cryptochrome 1b in
   the Retinae of Migratory Birds and Homing Pigeons”, PLOS ONE, vol. 11, no. 3. PUBLIC LIBRARY SCIENCE, Mar.-2016.