Maintenance work on the ZORA database servers is scheduled for Thursday 25th July 2019 from 19:00-20:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Zang, Kaiyue; Shen, Jie; Huang, Haosheng; Wan, Mi; Shi, Jiafeng (2018). Assessing and mapping of road surface roughness based on GPS and accelerometer sensors on bicycle-mounted smartphones. Sensors, 18(3):914.