A 2D-3D integrated environment for cooperative work. - Kousuke Nakashima; Takashi Machida; Kiyoshi Kiyokawa; Haruo Takemura (VRST, 2005)

A 2D-3D integrated tabletop environment for multi-user collaboration. - Kousuke Nakashima; Takashi Machida; Kiyoshi Kiyokawa; Haruo Takemura (Comput. Animat. Virtual Worlds, 2007)