http://books.google.co.jp/intl/ja/googlebooks/about.html

http://d.hatena.ne.jp/onishi/20060512#p1 via http://d.hatena.ne.jp/higepon/20060512/1147430567

http://htmlhelp.berlios.de/books/chm.php via http://d.hatena.ne.jp/onishi/20060512#p1