Activation Cues and Force Scaling Methods for Virtual Fixture. - Jason T. Nolin; Paul M. Stemniski; Allison M. Okamura (HAPTICS, 2003)

The haptic scissors: cutting in virtual environments. - Allison M. Okamura; Robert J. Webster III; Jason T. Nolin; K. W. Johnson; H. Jafry (ICRA, 2003)