Robust tracking control for robot manipulators: theory, simulation, and implementation. - Darren M. Dawson; Zhihua Qu; John D. Duffie (Robotica, 1993)

Robust estimation and control of robotic manipulators. - Zhihua Qu; Darren M. Dawson; John F. Dorsey; John D. Duffie (Robotica, 1995)