Kozina, Z., Prokopenko, I., Cretu, M., Chaika, O., Ryepko, O., Osiptsov, A., Razumenko, T., Kudryavtsev, M., & Polianskyi, A. (2018). Individual chronobiological regularity in track-and-field sprint. Pedagogics, Psychology, Medical-Biological Problems of Physical Training and Sports, 22(3), 149–155. https://doi.org/10.15561/18189172.2018.0306