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D.  Prattichizzo, Mercorelli, P., Bicchi, A., and Vicino, A., ?On the Decoupling and Output Functional Controllability of Robotic Manipulation?, in Proc. IFAC Int. Symp. on Robot Control, 1997. 

A.  Bicchi, Caiti, A., and Prattichizzo, D., ?Dynamic force/torque sensors: theory and experiments ?, in Proc. Int. Conference on Advanced Robotics, Monterey, CA, USA, 1997, pp. 727-732. 

A.  Bicchi, Chitour, Y., Marigo, A., and Prattichizzo, D., ?Dexterity through Rolling: Towards Manipulation of Unknown Objects?, in Proc. Third Int. Symp. on Methods and Models for Automation and Robotics, Miedzyzdroje, Poland, 1996.