| Authors: |
Siebert U; Institute for Terrestrial and Aquatic Wildlife Research (ITAW), University of Veterinary Medicine Hannover Foundation, Büsum, Germany., Grilo ML; MARE-Marine and Environmental Sciences Centre, ISPA-Instituto Universitário de Ciências Psicológicas, Sociais e da Vida, Lisbon, Portugal., Kesselring T; Institute for Terrestrial and Aquatic Wildlife Research (ITAW), University of Veterinary Medicine Hannover Foundation, Büsum, Germany., Lehnert K; Institute for Terrestrial and Aquatic Wildlife Research (ITAW), University of Veterinary Medicine Hannover Foundation, Büsum, Germany., Ronnenberg K; Institute for Terrestrial and Aquatic Wildlife Research (ITAW), University of Veterinary Medicine Hannover Foundation, Büsum, Germany., Pawliczka I; Department of Oceanography and Geography, Krzysztof Skóra Hel Marine Station, University of Gdansk, Hel, Poland., Galatius A; Marine Mammal Research, Institute of Ecoscience, Aarhus University, Roskilde, Denmark., Kyhn LA; Marine Mammal Research, Institute of Ecoscience, Aarhus University, Roskilde, Denmark., Dähne M; German Oceanographic Museum, Stralsund, Germany., Gilles A; Institute for Terrestrial and Aquatic Wildlife Research (ITAW), University of Veterinary Medicine Hannover Foundation, Büsum, Germany. |
