1. Buczek, F. (1990). Three-dimensional kinematics and kinetics of the ankle and knee joints during uphill, level, and downhill walking. Dissertation, Pennsylvania State University, University Park, PA
2. Hansen, A. (2002). Roll-over characteristics of human walking with applications for artificial limbs. Dissertation, Northwestern University, Evanston, IL
3. Effects of shoe heel height on biologic roll-over characteristics during walking;Hansen;Journal of Rehabilitation Research and Development,2004
4. Prosthetic foot roll-over shapes with implications for alignment of trans-tibial prostheses;Hansen;Prosthetics & Orthotics International,2000
5. Roll-over shapes of human locomotor systems: Effects of walking speed;Hansen;Clinical Biomechanics,2004