- Author: Martin Beck Matustik
- Language: English
- Year: 2001
- Author: Martin Beck
- Language: German
- Year: 1999
- Author: Martin Beck
- Language: German
- Year: 2005
- Author: Fowler Martin, Beck Kent(Contributor), Roberts Don(Contributor), Gamma Erich(Foreword)
- Language: English
- Year: 1999
- Author: Martin Beck
- Language: German
- Year: 1999