(Q2547118)
Statements
2 references
13 May 2014
30 October 1991
2 references
13 May 2014
Walther Emil Petrascheck
1 reference
Identifiers
Walther Emil Petrascheck
1 reference
30 December 2020
Sitelinks
Wikipedia(1 entry)
- dewiki Walther E. Petrascheck