(Q1603788)
Statements
1 reference
1 reference
Helmut Koopmann (German)
0 references
1933
2 references
9 October 2017
Helmut Koopmann
Identifiers
1 reference
1 reference
1 reference
1 reference
Koopmann, Helmut, 1933-
Sitelinks
Wikipedia(1 entry)
- dewiki Helmut Koopmann