Goto, Shoko (May 23, 2002). "三菱、D504i向けの3Dコンテンツ作成仕様を公開" (in Japanese). ITMedia. Archived from the original on November 9, 2013. Retrieved January 6, 2014.
Goto, Shoko (May 23, 2002). "三菱、D504i向けの3Dコンテンツ作成仕様を公開" (in Japanese). ITMedia. Archived from the original on November 9, 2013. Retrieved January 6, 2014.