- Author: Andreas Früh, Nils Philipp, Thomas Paul, et al.
- Language: German
- Year: 2011
- Author: Barbara Mayen, Curt Wolfgang Hergenröder, Matthias Casper, et al.
- Language: German
- Year: 2009
- Author: Elke Gurlit, Günter Hirsch, Katja Langenbucher, et al.
- Language: German
- Year: 2015
- Author: Thorsten Höche, Georg Bitter, Markus Escher, et. al.
- Language: German
- Year: 2013
- Author: Gerd Nobbe, Markus Artz, et al.
- Language: German
- Year: 2015
- Author: Christoph Benicke, Frank A. Schäfer, Wolfgang Wiegand, et al.
- Language: German
- Year: 2007