Roger Birrer (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Roger Birrer" in English language version.

refsWebsite
Global rank English rank
1st place
1st place
174th place
130th place
637th place
519th place

olympics.com

sports-reference.com

  • Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "Roger Birrer Olympic Results". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 18 April 2020. Retrieved 2 March 2017.

web.archive.org

  • Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "Roger Birrer Olympic Results". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 18 April 2020. Retrieved 2 March 2017.