Knechtle, Beat, and Romuald Lepers. “Wheelchair Half-Marathon and Marathon Performance: The ‘Oita International Wheelchair Marathon’ 1983-2011”. Journal of Human Sport and Exercise 8, no. 4 (December 28, 2013): 974–985. Accessed April 25, 2024. https://www.jhse.ua.es/article/view/2013-v8-n4-wheelchair-half-marathon-and-marathon-performance-a-t.