1. 1. M. Takegaki and S. Arimoto, “A new feedback method for dynamic control of manipulators,” ASME Journal of Dynamic systems, measurements and control, no. 102, pp. 119 – 125, 1981.
   2. T. Yoshikawa, “Foundations of Robotics: Analysis and Control,” PHI of India Limited, 1990.
   3. E. Freud, “Fast nonlinear control with arbitrary pole – placement for industrial robots and manipulators,” International Journal of Robotics Research, vol. 1, no. 1, pp. 65 – 78, 1982.
   4. J. J. Slotine and W. Li, “On the adaptive control of robot manipulators,” International Journal of Robotics Research, vol. 6, no. 3, pp. 49 – 59, 1987.
   5. T. Yoshikawa, “Dynamic hybrid position/force control of robot manipulators – description of hand constraints and calculation of joint driving force,” IEEE Journal of Robotics and Automation, vol. 3, no. 5, pp. 386 – 392, 1987.
   6. W. Thomas Miller, “Real – time application of neural networks for sensor based control of robots with vision,” IEEE Trans. on Systems, Man and Cybernetics, vol. 19, no. 4, pp. 825 – 831, 1989.