http://www.orienteering.com/~icl2008/

http://matoba.dip.jp/lapcenter/index.jsp?event=615

http://www.olc.org.tohoku.ac.jp/comp/31/

http://www.megaegg.ne.jp/~hiroshimaolc/sayonarataikai.html

http://www.geocities.jp/twv_komon/

http://sanjo-olc.seesaa.net/article/106051631.html

http://sanjo-olc.seesaa.net/article/106202789.html