[1]
[CITE[Behavioral Extensions to CSS]] <http://www.w3.org/TR/1999/WD-becss-19990804>
([[名無しさん]])

[2]
[CITE[Behavioral Extensions to CSS]] <http://dev.w3.org/cvsweb/~checkout~/2006/xbl2/css-module.html>
([[名無しさん]] [WEAK[2006-10-21 12:55:40 +00:00]])


[3]
[CITE@en[Behavioral Extensions to CSS]] ([[Jeffrey Yasskin]] 著, [TIME[2001-08-02 10:17:25 +09:00]] 版) <http://lists.w3.org/Archives/Public/www-style/2001Aug/0013.html>
([[名無しさん]])