Hagner-Derengowska, M., Dylewski, M., Dawidziuk, J., & Hagner, W. (2012). Changeability of spatial and temporal gait parameters measured on a treadmill with the use of a 3d ultrasound-based movement measuring system. Medical and Biological Sciences, 26(2), 19–23. https://doi.org/10.12775/4051