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

http://www.tonichi.net/articledetail.php?artid=12192

http://homepage2.nifty.com/o_compass/

http://www2s.biglobe.ne.jp/~matoba/public/lapcenter/

http://www2s.biglobe.ne.jp/~matoba/public/lapcenter/

http://www.orienteering.com/%7Eicl2006/index.html

http://www.orienteering.com/%7Euofj-g/

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