PT Journal AU Bulthaupt, N Gauterin, F TI Time and magnitude dependent masking effects of vehicle’s 2 Hz shock type vibrations on the perception of vehicle’s 4.5 Hz longitudinal shock type vibrations for seated human subjects SO International journal of vehicle noise and vibration PY 2019 BP 256 VL 15 IS 4 DI 10.1504/IJVNV.2019.107903 LA english ER