- Author: Friedel Hartmann Peter Jahn
- Language: English
- Year: 2021
- Author: Friedel Hartmann Casimir Katz
- Language: German
- Year: 2019
- Author: Friedel Hartmann Peter Jahn (auth.)
- Language: English
- Year: 2017
- Author: Dr.-Ing. Friedel Hartmann (auth.)
- Language: English
- Year: 1989
- Author: Dr.-Ing. Friedel Hartmann (auth.)
- Language: German
- Year: 1987
- Author: Dr.-Ing. Friedel Hartmann (auth.)
- Language: English
- Year: 1985
- Author: Prof. Dr. Friedel Hartmann Dr. Casimir Katz (auth.)
- Language: English
- Year: 2004
- Author: Prof.Dr.-Ing. Friedel Hartmann Dr.-Ing. Casimir Katz (auth.)
- Language: German
- Year: 2002
- Author: Friedel Hartmann Casimir Katz
- Language: English
- Year: 2007
- Author: Friedel Hartmann Casimir Katz
- Language: English
- Year: 2007