The reaction of the body to the extreme efforts of amateur runners in the men's 100 kilometers

Journal of Education, Health and Sport, Tom 3, Numer 9 (2013) s. 427-446
Krzysztof Prusik, Katarzyna Prusik, Błażej Stankiewicz, Ireneusz Chiliński, Jakub Kortas, Walery Zukow