- Author: Heinz Peter Gumm, Manfred Sommer
- Language: German
- Year: 2012
- Author: Nico Grund, Manfred Sommer
- Language: German
- Year: 2013
- Author: Heinz Peter Gumm, Manfred Sommer
- Language: German
- Year: 2009
- Author: Heinz-Peter Gumm, Manfred Sommer
- Language: German
- Year: 2017
- Author: Heinz-Peter Gumm, Manfred Sommer
- Language: German
- Year: 2016
- Author: Hans Blumenberg (auth.) Manfred Sommer (ed.)
- Language: German
- Year: 2002
- Author: Heinz-Peter Gumm, Manfred Sommer
- Language: German
- Year: 2019
- Author: Heinz-Peter Gumm, Manfred Sommer
- Language: German
- Year: 2017
Informatik
epub
- Author: Heinz-Peter Gumm Manfred Sommer
- Language: English
- Year: 2016
