V.  Tincani, Grioli, G., Catalano, M. G., Garabini, M., Grechi, S., Fantoni, G., and Bicchi, A., ?Implementation and Control of the Velvet Fingers: a Dexterous Gripper with Active Surfaces?, in IEEE International Conference on Robotics and Automation (ICRA2013), 2013, pp. 2744 - 2750 [Online]. Available: 10.1109/ICRA.2013.6630955