- Author: Gebhard Kirchgässner, Jürgen Wolters, Uwe Hassler
- Language: English
- Year: 2013
- Author: Thorsten Tschirner, Christine Wolters, Patrick Beier
- Language: German
- Year: 2001
- Author: Thorsten Tschirner Christine Wolters
- Language: German
- Year: 2001
- Author: William H. Holley Kenneth M. Jennings Roger S. Wolters
- Language: English
- Year: 2008
- Author: Raymond Wolters
- Language: English
- Year: 2009
- Author: Minka Wolters
- Language: German
- Year: 2010
- Author: Reinhard Wolters
- Language: German
- Year: 2000
