TY - RPRT TI - Finite Element Methods for real-time Haptic Feedback of Soft-Tissue Models in Virtual Reality Simulators AU - Frank, Andreas O. AU - Twombly, I. Alexander AU - Barth, Timothy J. AU - Smith, Jeffrey D. AU - Dalton, Bonnie P. PY - 2001 UR - https://ntrs.nasa.gov/citations/20010095544 ID - 20010095544 ER -