- Author: Christian Bär, Klaus Fredenhagen
- Language: English
- Year: 2009
- Author: Christian Bär
- Language: German
- Year: 2010
- Author: Christian Bär Thomas Grädler Robert Mayr
- Language: German
- Year: 2018
- Author: Christian Bär Jens Fiege Markus Weiß (auth.)
- Language: German
- Year: 2017
- Author: Christian Bär Christian Becker (auth.)
- Language: English
- Year: 2014
- Author: Christian Bär
- Language: German
- Year: 2010
- Author: Lorenz J. Schwachhöfer (auth.) Christian Bär Joachim Lohkamp Matthias Schwarz (eds.)
- Language: English
- Year: 2012
- Author: Lorenz J. Schwachhöfer (auth.) Christian Bär Joachim Lohkamp Matthias Schwarz (eds.)
- Language: English
- Year: 2012
- Author: Christian Bär
- Language: English
- Year: 2010