User contributions
- 09:38, 31 July 2015 (diff | hist) . . (+78) . . Talk:Aufgaben:Problem 13
- 09:30, 31 July 2015 (diff | hist) . . (+275) . . Talk:Aufgaben:Problem 13
- 12:56, 12 June 2015 (diff | hist) . . (-54) . . Main Page
- 12:02, 30 May 2015 (diff | hist) . . (+2) . . m Main Page
- 12:02, 30 May 2015 (diff | hist) . . (+52) . . m Main Page