1. State Variable Reconstruction;Chyung;Int. J. of Control,1984
2. Delayed Feedback Optimal Controller;Kim,1984
3. Robust Optimal Tracking Controller for A Robotic Manipulator;Lim,1987
4. Modern Control Systems Theory and Application;Shinner,1992
5. Tracking Feedback Controller Design for Systems with Stiff Nonlinearities;Won,1985