http://www.orienteering.com/~uofj/kanto/?blogid=7&itemid=368

http://www.orienteering.com/~saitama/event/20090620parkO-tokorozawa.html

http://sanjo-olc.seesaa.net/article/121908957.html

http://www.gifu-np.co.jp/news/kennai/20090621/200906210850_8144.shtml