• 2008-05-28. Retrieved 2008-04-22. プラネタリウム番組情報「仮面ライダーキバ&電王 デンライナー 宇宙へ!」|株式会社光学研究所 (in Japanese). Archived from the original on 2009-12-28. Retrieved 2008-07-09...
    47 KB (5,109 words) - 09:25, 2 November 2024
  • October 2020. Retrieved 15 October 2020. "プラネタリウム番組情報「仮面ライダー 恐怖の地球温暖化計画」|株式会社光学研究所". Archived from the original on 2011-07-04. Retrieved 2010-08-04. "Kamen...
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    planetarium, and opened its developing history in Japan. GOTO INC (ja:光学研究所) at last developed first lens projection planetarium Type M-1 in 1959,...
    62 KB (7,880 words) - 06:26, 26 September 2024