D. Maneetham and  L. Sivhour,  Scorbot-ER 4U Using Forward Kinematics Modelling and Analysis.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2018, vol. 134(2). 162 - 168
    [viewed 27 January 2021]. Available from: https://publications.waset.org/pdf/10008605.