@inproceedings{gueorguiev2017edges, title = {Feeling multiple edges: The tactile perception of short ultrasonic square reductions of the finger-surface friction}, author = {Gueorguiev, D. and Vezzoli, E. and Sednaoui, T. and Grisoni, L. and Lemaire-Semail, B.}, booktitle = {2017 IEEE World Haptics Conference (WHC)}, pages = {125-129}, year = {2017}, doi = {10.1109/WHC.2017.7989888} }