(Q1769225)
Statements
6 June 1885Gregorian
1 reference
11001101
13 April 2018
16 June 1973
2 references
6 October 1953
6 October 1957
2 references
15 October 1957
15 October 1961
0 references
1 reference
13 April 2018
Identifiers
Sitelinks
Wikipedia(2 entries)
- arzwiki پيتيرينريتش كيرتشهوف
- dewiki Peterheinrich Kirchhoff