[1] グーグルがO3Dの方針変換。WebGLに標準を統一し、O3DはJavaScriptライブラリへ - Publickey (2010-05-10 23:58:59 +09:00 版) <http://www.publickey1.jp/blog/10/o3dwebglo3djavascript.html>

[2] Chromium Blog: The future of O3D (2010-05-10 22:08:50 +09:00 版) <http://blog.chromium.org/2010/05/future-of-o3d.html>

[3] O3D - Wikipedia, the free encyclopedia ( (2014-08-10 07:38:09 +09:00 版)) <http://en.wikipedia.org/wiki/O3D>

[4] o3d - WebGL implementation of O3D - Google Project Hosting ( (2014-09-03 10:24:42 +09:00 版)) <https://code.google.com/p/o3d/>