WASET
    Sangbum Park and  Youngjoon Han,  A Stable Pose Estimation Method for the Biped Robot using Image Information .   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2009, vol. 26(2). 348 - 352
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/12091.