00720naa#a2200181#i#450# EN\\bibl\127533 20260717202228.5 1994-4683 20231031b2023####ek#y0engy0150####ca RU FACTOR STRUCTURE OF INDIVIDUAL PARAMETERS OF RUNNING EFFICIENCY IN QUALIFIED MIDDLE DISTANCE RUNNERS Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 7 с. Journal article local Бег на средние дистанции (от 1000 до 10000 м), например,. 796.422.14 Goryainov D V Ilicheva O V uchzapiski.lesgaft.spb.ru