@proceedings{MFe/Eff/2009, author = "Fern{\'a}ndez Carmona, Manuel and Fern{\'a}ndez Espejo, Blanca and Peula Palacios, Jos{\'e} Manuel and Urdiales Garc{\'i}a, Cristina and Sandoval Hern{\'a}ndez, Francisco", note = " June 2009 IEEE 11th International Conference on Rehabilitation Robotics (ICORR2009), Kyoto, Japan", title = "{E}fficiency based collaborative control modulated by biometrics for wheelchair assisted navigation", year = "2009", }