1. Claus C, Grobben K, Kühn A (1932) Lehrbuch der Zoologie, 10th edn. Springer, Berlin
2. Drosten C (2012) Unbelievable reservoir of viruses.
http://www.uni-bonn.de
3. Holland RA, Kirschvik JL, Doak TG, Wikelski M (2006) Bat navigation: bat orientation using Earth’s magnetic field. Nature 1112:116
4. Neuweiler G (1993) Biology of Chiroptera. Thieme, Stuttgart
5. Niethammer J, Krapp F (eds) (2004) Handbook of the mammalia in Europe. Chiroptera, vol 4/2. Aula, Wiesbaden