[1]

[[RSACi]] [CODE(URI)@en[[[http://www.rsac.org/ratingsv01.html]]]]

[[ICRA]] [CODE(URI)@en[[[http://www.icra.org/ratingsv02.html]]]]

[[SafetyOnline2]] [CODE(URI)@en[[[http://www.iajapan.org/rating/]]]]


[2] [CITE[SMIL 3.0 Metainformation]] ([TIME[2008-12-02 00:45:09 +09:00]] 版) <http://www.w3.org/TR/2008/REC-SMIL3-20081201/smil-metadata.html#edef-meta>