[1] [CITE[Web Beeps Specification]]
( ([TIME[2012-01-02 17:43:12 +09:00]] 版))
<http://webbeep.it/spec.html>

[2] [CITE@en[Web Beep draft spec]]
( ([[Danny Ayers]] 著, [TIME[2012-01-03 09:08:08 +09:00]] 版))
<http://lists.w3.org/Archives/Public/www-archive/2012Jan/0000.html>