@conference {RMSBR08, title = {A Permanent Magnets Exciter for MRFs-based Haptic Interfaces}, booktitle = {IEEE Conference on Electromagnetic Field Computation}, year = {2008}, address = {Atene}, keywords = {Haptics}, author = {R. Rizzo and A. Musolino and E. P. Scilingo and A. Bicchi and M. Raugi} }