Abstract (2011) - D. Brossell (author), S Plitzko (author), TAJ Kuhlbusch (author), HG Horn (author), A. Schmidt-Ott (author), N Dziurowitz (author), E Gierke (author), V Bachmann (author), G Linsel (author), C Asbach (author), N Azong-Wara (author), H Fissan (author), B Stahlmecke (author)