- Author: Jesper Lützen
- Language: English
- Year: 2023
- Author: Jesper Lützen (auth.)
- Language: English
- Year: 1982
- Author: Jesper Lützen
- Language: Danish
- Year: 2013
- Author: Jesper Lützen (auth.)
- Language: English
- Year: 1990
- Author: Jesper Lützen (auth.)
- Language: English
- Year: 1982
- Author: Jesper Lützen (auth.)
- Language: English
- Year: 1982