] , “Grasping with mechanical intelligence”, in RoManSy 8: Proceedings of the Eight[h] CISM-IFToMM Symposium on Theory and Practice of Robots and Manipulators, Warsaw, Poland: Warsaw University of Technology Pubs., 1990.
, “Design methods of improving robot manipulator performance”, in Advances in Design Automation, 1991, vol. 2, New York: American Society of Mechanical Engineers, 1991, pp. 545–550.
, “Mechanical design methods of improving manipulator performance”, in Robots in Unstructured Environments: Fith International Conference on Advanced Robotics: '91 ICAR, June 19-22, 1991, Pisa, Italy, New York: IEEE, 1991, pp. 515–520.