S.  Fani, Di Blasio, K., Bianchi, M., Catalano, M. G., Grioli, G., and Bicchi, A., ?Relaying the High-Frequency Contents of TactileFeedback to Robotic Prosthesis Users: Design,Filtering, Implementation, and Validation?, IEEE Robotics and Automation Letters, vol. Volume: 4 , Issue: 2 , April 2019, 2019. 

G. M.  Gasparri, Fabiani, F., Garabini, M., Pallottino, L., Catalano, M. G., Grioli, G., Persichini, R., and Bicchi, A., ?Robust Optimization of System Compliance for Physical Interaction in Uncertain Scenarios?, in IEEE International Conference on Humanoid Robots (HUMANOIDS2016), Cancun, Mexico, 15-17 Nov. 2016 , 2016 [Online]. Available: http://ieeexplore.ieee.org/document/7803381/

T.  Menard, Grioli, G., and Bicchi, A., ?A real time robust observer for an agonist antagonist variable stiffness actuator?, in IEEE International Conference on Robotics and Automation (ICRA2013), Karlsruhe,  Germany, May 6-10, 2013 , 2013, pp. 3988 - 3993 [Online]. Available: 10.1109/ICRA.2013.6631139 

G.  Grioli and Bicchi, A., ?A Real-time Parametric Stiffness Observer for VSA devices?, in 2011 IEEE International Conference on Robotics and Automation, Shangai, China, 2011, pp. 5535 - 5540. 

E. P.  Scilingo, Bianchi, M., Grioli, G., and Bicchi, A., ?Rendering Softness: Integration of kinaesthetic and cutaneous information in a haptic device?, Transactions on Haptics, vol. 3, pp. 109 - 118, 2010. 

S.  Alicino, Catalano, M. G., Bonomo, F., Belo, F. A. W., Grioli, G., Schiavi, R., Fagiolini, A., and Bicchi, A., ?A Rough-Terrain, Casting Robot for the ESA Lunar Robotics Challenge?, in Proc. IEEE/RSJ International Conference on Intelligent RObots and Systems, St. Louis MO USA, 2009, pp. 3336-3342.