A. Ajoudani, Tsagarakis, N. G., and Bicchi, A., ?Choosing Poses for Force and Stiffness Control?, IEEE Transactions on Robotics, 2017 [Online]. Available: http://ieeexplore.ieee.org/document/7951027/

B.  Huang, Li, Z., Wu, X., A. Ajoudani, Bicchi, A., and Liu, J., ?Coordination Control of a Dual-arm Exoskeleton Robot Using Human Impedance Transfer Skills?, IEEE Trans. Systems Man and Cybernetics: Systems, 2017 [Online]. Available: http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7944582