1) Ortega, R. and M.W. Spong, Adaptive Motion Control of Rigid Robots: a Tutorial, Automatica, 25 877/888 (1989)
2) Spong, M.W. and M. Vidyasagar, Robot Dynamics and Control, Wiley, (1989)
3) Slotine, J., Putting Physics in Control-The Example of Robotics, IEEE Control Systems Magazine, 8 12/17 (1988)
4) Dawson, D., Z. Qu, Lewis, F. and Dorsey, J., Robust Control for the Tracking of Robot Motion, International Journal of Control, 52 581/595 (1990)
5) Byrnes, C.I., A. Isidori and J.C. Willems, Passivity, feedback equivalence, and the global stabilization of minimum phase nonlinear systems, IEEE Trans. Automat. Contr., AC-36 1228/1240 (1991)