- Author: Gabriele Dietze, Dorothea Dornhof
- Language: German
- Year: 2014
- Author: Volker Koop
- Language: German
- Year: 2014
- Author: Harald Zimmermann
- Language: German
- Year: 2013
- Author: Oskar Dohle, Thomas Mitterecker
- Language: German
- Year: 2014
- Author: Susan Richter, Dirk Dirbach
- Language: German
- Year: 2010
- Author: Manfried Rauchensteiner
- Year: 2014
- Author: Magnus Klaue
- Language: German
- Year: 2011
- Author: Peter Pantucek
- Language: German
- Year: 2012
- Author: Bundesministerium für Land- und Forstwirtschaft Umwelt und Wasserwirtschaft
- Language: German
- Year: 2010