- Author: Dr. Ing. Franz Ritter VDI (auth.)
- Language: German
- Year: 1937
- Author: Dr. techn. Franz Ritter (auth.)
- Language: German
- Year: 1956
- Author: Bruno Bertaccini Roberta Varriale (auth.) Antonio Giusti Gunter Ritter Maurizio Vichi (eds.)
- Language: English
- Year: 2013
- Author: Bertram Neubauer Tom Ritter Frank Stoinski (auth.)
- Language: German
- Year: 2004
- Author: M. L. Balinski Andrew Russakoff (auth.) Bernhard Korte Klaus Ritter (eds.)
- Language: English
- Year: 1984
- Author: Achim Bachem Martin Grötschel (auth.) H. König B. Korte K. Ritter (eds.)
- Language: English
- Year: 1981
- Author: Dr. techn. Franz Ritter (auth.)
- Language: German
- Year: 1958