@proceedings {1114, title = {Application of Levant{\textquoteright}s Differentiator for Velocity Estimation and Increased Z-Width in Haptic Interfaces}, year = {2011}, month = {06/2011}, pages = {403-408}, publisher = {IEEE}, address = {Istanbul, Turkey}, issn = {978-1-4577-0297-6}, attachments = {https://mahilab.rice.edu/sites/default/files/publications/1114-chawda.pdf}, author = {Vinay Chawda and Ozkan Celik and Marcia K. O{\textquoteright}Malley} }