(Q1671570)
Statements
2 references
1955
2 references
Jürgen O. Olbrich
9 October 2017
1 reference
1 reference
1 reference
7 September 2018
1 reference
25 September 2020
Identifiers
1 reference
Sitelinks
Wikipedia(1 entry)
- dewiki Jürgen O. Olbrich