1. Robot Arm Dymanics and Control;Besczy;NASA-JPL Memorandum,1974
2. A Classification of Linear Controlable Systems;Brunoski;Kinernetika (Praha),1970
3. Validation of an Adaptive Robot Control Structure by Means of Simulation;Chaudet,1983
4. An Approach to Nonlinear Feedback Control with Applications to Robotics;Gilbert;Proc. IEEE Conf. Decision and Control,1983
5. Design for Multi-input Nonlinear Systems;Hunt,1982