=40pt =1 Papadopoulos, E. and Dubrowsky, S., ``Dynamic singularities in the control of free-floating space manipulators'', ASME Journal of Dynamic Systems, Measurement and Control, Vol. 115, No. 1, March 1993, pp. 44-52.
=40pt =1 Dubowsky, S. and Papadopoulos, E., ``The Kinematics, dynamics and control of free-flying and free-floating space robotic systems'', Special Issue on Space Robotics of the IEEE Transactions on Robotics and Automation, Vol. 9, No. 5, October 1993, pp. 531-543.