Contributions by: Hermann Ewald, Wolfgang Achtner, Ulrich Eibach, Manfred Gaspar, Elmar Hatzelmann, Christian Kupke, Ruthmarijke Smeding, Kai Vogeley, Raymond Voltz, Marina Kojer, Stefan Schmidt, Solveig Dietrich, David Heinz Victor Vogel, Tanja C Vollmer, Marc Wittmann