- Author: Heilemann Ullrich, Henke Klaus-Dirk
- Language: German
- Year: 2004
- Author: Heilemann Ullrich, Weihs Claus
- Language: German
- Year: 2007
- Author: Heilemann Ullrich
- Language: German
- Year: 1981
- Author: Heilemann Ullrich
- Language: German
- Year: 2010
- Author: Heilemann Ullrich, Kath Dietmar, Kloten Norbert
- Language: German
- Year: 1998
- Author: Heilemann Ullrich, Wolters Jürgen
- Language: German
- Year: 1998
- Author: Hall Stephen G., Heilemann Ullrich, Pauly Peter
- Language: German
- Year: 2004