1. Implementation of a 3D User Interface Tool-kit Haruo Takemura, Kiyoshi Kiyokawa, Naokazu Yokoya, Takashi Okuma, Yoshihiko Seri, 世利 至彦, 大隈 隆史, 横矢 直和, 清川 清, and 竹村 治雄 ITE Technical Report. 1998, :95 Full text View on content provider's site