PT Journal AU Festa, M Durm, T Lünebach, M Gauterin, F TI Difference Thresholds for the Perception of Sinusoidal Vertical Stimuli of Whole-Body Vibrations in Ranges of Amplitude and Frequency Relevant to Ride Comfort SO Vibration PY 2020 BP 116 EP 131 VL 3 IS 2 DI 10.3390/vibration3020010 LA english ER