Rönnberg, Barbro (March 2002). "Ski Orienteering's Olympic Bid". O-zine. International Orienteering Federation. Archived from the original on December 9, 2006. Retrieved 2008-09-28.
Rönnberg, Barbro (March 2002). "Ski Orienteering's Olympic Bid". O-zine. International Orienteering Federation. Archived from the original on December 9, 2006. Retrieved 2008-09-28.