Stefan Köllner Explained
Stefan Köllner (born 11 September 1984) is a German modern pentathlete. He competed at the 2012 Summer Olympics.[1] [2]
Notes and References
- Web site: Stefan Köllner Olympic Results . https://web.archive.org/web/20200417221519/https://www.sports-reference.com/olympics/athletes/ko/stefan-kollner-1.html . dead . 2020-04-17 . 2012-08-12 . sports-reference.com.
- Web site: Stefan Köllner London 2012 . 2012-08-12 . London 2012 . dead . https://web.archive.org/web/20120812010315/http://www.london2012.com/athlete/kollner-stefan-1103952/ . 12 August 2012 . dmy-all .