[1] The Continuous Media Markup Language (CMML), Version 2.1 (2006-05-06 10:39:46 +09:00 版) <http://annodex.net/TR/cmml.html>
[2] The Continuous Media Markup Language (CMML), Version 2.1 (2007-08-25 15:36:57 +09:00 版) <http://www.annodex.net/TR/draft-pfeiffer-cmml-03.txt>