by Dr. Oliver Klöck
by Dr. Michael Brüggemann and Dr. Melanie von Dewall
Available in Czech
by Markéta Deimelová
by Paolo Palmigiano
by multiple authors
by Paolo Palmigiano and Louisa Penny
by Dr. Marco Hartmann-Rüppel, Dipl.-Volkswirt and Stephan Manuel Nagel, LL.M. (EUI)