S.  Wolf, Grioli, G., Eiberger, O., Friedl, W., Grebenstein, M., Hoppner, H., Burdet, E., Caldwell, D. G., Carloni, R., Catalano, M. G., Lefeber, D., Stramigioli, S., Tsagarakis, N. G., Damme, V. M., Ham, V. R., Vanderborght, B., Visser, L. C., Bicchi, A., and Albu-Schaeffer, A., ?Variable Stiffness Actuators: Review on Design and Components?,  IEEE/ASME Transactions on Mechatronics , vol. 21, no. 5, pp. 2418 - 2430, 2016 [Online]. Available: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7330025

G.  Grioli, Wolf, S., Garabini, M., Catalano, M. G., Burdet, E., Caldwell, D. G., Carloni, R., Friedl, W., Grebenstein, M., Laffranchi, M., Lefeber, D., Stramigioli, S., Tsagarakis, N. G., Damme, V. M., Vanderborght, B., Albu-Schaeffer, A., and Bicchi, A., ?Variable Stiffness Actuators: the user?s point of view?, Int. J. Robotics Research, vol. 34, no. 6, pp. 727-743, 2015 [Online]. Available: http://ijr.sagepub.com/cgi/reprint/0278364914566515v1.pdf?ijkey=anmgudvoLz7ZloP&keytype=finite

G. M.  Gasparri, Garabini, M., Pallottino, L., Malagia, L., Catalano, M. G., Grioli, G., and Bicchi, A., ?Variable Stiffness Control for Oscillation Damping?, in IEEE International Conference of Intelligent Robots and Systems (IROS2015), Hamburg, Germany, September 28 - October 02, 2015, 2015, pp. 6543 - 6550 [Online]. Available: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7354312

R.  Krug, Stoyanov, T., Bonilla, M., Tincani, V., Vaskeviciusz, N., Fantoni, G., Birkz, A., Lilienthal, A., and Bicchi, A., ?Velvet Fingers: Grasp Planning and Execution for an Underactuated Gripper with Active Surfaces?, in 2014 IEEE International Conference on Robotics and Automation, Hong Kong, May 31 2014-June 7 2014, 2014, pp. 3669 - 3675 [Online]. Available: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6907390

B.  Vanderborght, Albu-Schaeffer, A., Bicchi, A., Burdet, E., Caldwell, D. G., Carloni, R., Catalano, M. G., Eiberger, O., Friedl, W., Ganesh, G., Garabini, M., Grebenstein, M., Grioli, G., Haddadin, S., Hoppner, H., Jafari, A., Laffranchi, M., Lefeber, D., Petit, F., Stramigioli, S., Tsagarakis, N. G., Damme, V. M., Ham, V. R., Visser, L. C., and Wolf, S., ?Variable Impedance Actuators: a Review?, Robotics and Autonomous Systems, vol. 61, no. 12, pp. 1601?1614, 2013 [Online]. Available: http://www.sciencedirect.com/science/article/pii/S0921889013001188

M. G.  Catalano, Grioli, G., Garabini, M., Belo, F. A. W., Di Basco, A., Tsagarakis, N. G., and Bicchi, A., ?A Variable Damping module for Variable Impedance Actuation?, in International Conference of Robotics and Automation - ICRA 2012, Saint Paul, MN, USA, 2012, pp. 2666 - 2672. 

B.  Vanderborght, Albu-Schaeffer, A., Bicchi, A., Burdet, E., Caldwell, D. G., Carloni, R., Catalano, M. G., Ganesh, G., Garabini, M., Grioli, G., Haddadin, S., Jafari, A., Laffranchi, M., Lefeber, D., Petit, F., Stramigioli, S., Tsagarakis, N. G., Damme, V. M., Ham, V. R., Visser, L. C., and Wolf, S., ?Variable Impedance Actuators: Moving the Robots of Tomorrow?, International Conference of Intelligent Robots and Systems - IROS 2012- Best Jubilee Video Award. 2012. 

V.  Tincani, Catalano, M. G., Farnioli, E., Garabini, M., Grioli, G., Fantoni, G., and Bicchi, A., ? Velvet fingers: A dexterous gripper with active surfaces?, in International Conference of Intelligent Robots and Systems - IROS 2012, Vilamoura, Algarve, Portugal, 2012, pp. 1257 - 1263 . 

G.  Grioli, Catalano, M. G., Garabini, M., Bonomo, F., Serio, A., Salaris, P., Belo, F. A. W., Mancini, M., Bicchi, A., and Passaglia, A., ?Variable stiffness actuators: muscles for the next generation of robots?, in Automatica.it 2011, Pisa, Italy, 2011. 

M. G.  Catalano, Grioli, G., Garabini, M., Bonomo, F., Mancini, M., Tsagarakis, N. G., and Bicchi, A., ?VSA - CubeBot. A modular variable stiffness platform for multi degrees of freedom systems?, in 2011 IEEE International Conference on Robotics and Automation, Shangai, China, 2011, pp. 5090 - 5095. 

M.  Bianchi, Grioli, G., Scilingo, E. P., Santello, M., and Bicchi, A., ?Validation of a Virtual Reality Environment to Study Anticipatory Modulation of Digit Forces and Position?, in Eurohaptics 2010, Amsterdam (The Netherlands), 2010, vol. 6192/2010, pp. 136 - 143. 

D.  Fontanelli, Salaris, P., Belo, F. A. W., and Bicchi, A., ?Visual Servoing via Advanced Numerical Methods?, vol. 401, G.  Chesi and Hashimoto, K., Eds. Springer, 2010, pp. 335 - 360. 

M. G.  Catalano, Grioli, G., Bonomo, F., Schiavi, R., and Bicchi, A., ?VSA-HD: From the Enumeration Analysis to the Prototypical Implementation?, in IEEE/RSJ International Conference on Intelligent RObots and Systems, St. Louis MO USA, 2010, pp. 3676 - 3681. 

D.  Fontanelli, Salaris, P., Belo, F. A. W., and Bicchi, A., ?Visual appearance mapping for optimal vision based servoing?, vol. 54 - Experimental Robotics, B.  Siciliano, Khatib, O., and Groen, F., Eds. Springer, 2009, pp. 353 - 362. 

D.  Fontanelli, Danesi, A., Belo, F. A. W., Salaris, P., and Bicchi, A., ?Visual Servoing in the Large?, International Journal of Robotics Research, vol. 28, pp. 802 - 814, 2009. 

A.  Danesi, Fontanelli, D., and Bicchi, A., ?Visual Servoing on Image Maps?, in Experimental Robotics, 2008, vol. 39, pp. 277 - 286. 

P.  Salaris, Belo, F. A. W., Fontanelli, D., and Bicchi, A., ?Visual SLAM for Servoing for Appearance Based Topological Maps?, in Proc. Ints. Symp. Experimental Robotics, 2008, vol. 39/2008, pp. 277-286. 

R.  Schiavi, Grioli, G., Sen, S., and Bicchi, A., ?VSA-II: A Novel Prototype of Variable Stiffness Actuator for Safe and Performing Robots Interacting with Humans?, in Proc. IEEE Int. Conf. on Robotics and Automation, 2008, pp. 2171 - 2176. 

R.  Filippini, Sen, S., and Bicchi, A., ?Variable Impedance Actuations for Physical Human Cooperating Robots: a Comparative Analysis of Performance, Safety and Dependability?, in Proc. IARP-IEEE/RAS-EURON Workshop on Technical Challenges for Dependable Robots in Human Environments., 2007. 

A.  Fagiolini, Arisumi, H., and Bicchi, A., ?Visual-based Feedback Control of Casting Manipulation?, in Proc. IEEE Int. Conf. on Robotics and Automation, 2005, pp. 2203-2208. 

A.  Bicchi, Tonietti, G., Bavaro, M., and Piccigallo, M., ?Variable Stiffness Actuators for Fast and Safe Motion Control?, in Proceedings of the International Symposium on Robotics Research, B.  Siciliano, Khatib, O., and Groen, F., Eds. Springer Verlag, 2003. 

P.  Murrieri, Fontanelli, D., and Bicchi, A., ?Visual-servoed parking with limited view angle?, in Experimental Robotics VIII, vol. 5, B.  Siciliano and Dario, P., Eds. Springer Verlag, 2002, pp. 254-263. 

F.  Conticelli, Prattichizzo, D., Guidi, F., and Bicchi, A., ?Vision-Based Dynamic Estimation and Set-Point Stabilization of Nonholonomic Vehicles?, in Proc. IEEE Int. Conf. on Robotics and Automation, San Francisco, CA, USA, 2000, pp. 2771-2776. 

A.  Balestrino, Bicchi, A., Landi, A., and Prattichizzo, D., ?A variable structure approach to force/motion control of robot manipulators?, in Proc. Int. Conf. FAST - BIAS, Milan, Italy, November 23-25 1993, 1993.