http://www2s.biglobe.ne.jp/~matoba/public/olk/download/mulka/mulka2.htm

http://www.orienteering.com/~michi/

http://www.geocities.jp/yasuo230jp/natubasho.html

http://www.orienteering.com/index-j.htm

http://icho.ipe.tsukuba.ac.jp./~s0201306/pokkari/