Evans, Vaughan Matthew. “Trends in Fatalities in Motorcycle Accidents in Great Britain With Reference to the Studies by Hugh Cairns”. Journal of Education, Health and Sport 10, no. 3 (March 16, 2020): 66–75. Accessed July 5, 2025. https://apcz.umk.pl/JEHS/article/view/JEHS.2020.10.03.006.