- Author: Dr. Gernot Starke Dr. Peter Hruschka (auth.)
- Language: German
- Year: 2009
- Author: Dr. Gernot Starke Dr. Peter Hruschka (auth.)
- Language: German
- Year: 2011
- Author: Tom DeMarco, Peter Hruschka, Timothy Lister
- Language: German
- Year: 2014
- Author: Tom DeMarco Timothy Lister Peter Hruschka
- Language: German
- Year: 2014
- Author: Peter Hruschka
- Language: German
- Year: 2014
- Author: Tom DeMarco Timothy Lister Peter Hruschka
- Language: German
- Year: 2014