Reality-based User Interface System (RUIS). - Tuukka M. Takala; Roberto Pugliese; Paivi Rauhamaa; Tapio Takala (3DUI, 2011)

Survey of 3DUI applications and development challenges. - Tuukka M. Takala; Paivi Rauhamaa; Tapio Takala (3DUI, 2012)