Lazareva, Elvira A., Olga A. Stepanova, Evgenia O. Panova, Lyudmila A. Kochurova, and Natalia S. Grigorieva. “Endurance Ratios of Middle-Distance Race”. Journal of Human Sport and Exercise 14, no. 3 (September 2, 2019): 500–505. Accessed March 28, 2024. https://www.jhse.ua.es/article/view/2019-v14-n3-endurance-ratios-middle-distance-race.