Bourne JE, Sauchelli S, Perry R, Page A, Leary S, England C, Cooper AR. Health benefits of electrically-assisted cycling: a systematic review. Int J Behav Nutr Phy. 2018 Nov 21;15(1):116. doi: 10.1186/s12966-018-0751-8
Schlatter F, Piquerez A, Habermacher M, Ragettli MS, Roosli M, Brink M, Cajochen C, Probst-Hensch N, Foraster M, Wunderli J-M. Validation of large scale noise exposure modelling by long-term measurements. Noise Mapp. 2017 Dec 22;4:75-86. doi: 10.1515/noise-2017-0006