- Author: Torben Hügens Matthias Merz Steve Blum
- Language: English
- Year: 2015
- Author: McLaughlin Michael J
- Language: English
- Year: 2014
- Author: McLaughlin Michael J
- Language: English
- Year: 2014
- Author: Schönig Hans-Jürgen
- Language: English
- Year: 2018
- Author: Schönig Hans-Jürgen
- Language: English
- Year: 2018
- Author: Hugens Torben, Merz Matthias
- Language: English
- Year: 2015
- Author: Dannen Chris
- Language: English
- Year: 2017
- Author: Dannen Chris
- Language: English
- Year: 2017
- Author: Brown Martin C
- Language: English
- Year: 2012