Elmezain, M. , Al-Hamadi, A. , Niese, R. , Michaelis, B.. "A Robust Method for Hand Tracking Using Mean-shift Algorithm and Kalman Filter in Stereo Color Image Sequences". World Academy of Science, Engineering and Technology, Open Science Index 35, International Journal of Electronics and Communication Engineering, (2009), 3(11), 2151 - 2155.