http://www.katch.ne.jp/~n-nagai/okazaki.files/64okazaki.htm

http://www.orienteering.com/~shizuoka/Welcome.html

http://homepage2.nifty.com/MNOP/

http://olk.jp/wp/?p=65

http://mainichi.jp/area/wakayama/news/20080130ddlk30050643000c.html