Rafalovich A.B., Drozdov A.L., Atkishkina T.D., and Podtochilin A.M. “Dynamics of Biomechanical Indicators for 800-Meter Running Technique in Terms of Competition for High-Class Athletes”. Theory and Practice of Physical Culture, no. 10, Dec. 2024, pp. 6-9, http://tpf1610220.nichost.ru/index.php/TPPC/article/view/1131.