TY  JOUR
TI  Intensity of competitive loads in highly qualified cross-country skiers in races of various formats and distances
KW  cross‑country skiing
KW  cross‑country races
KW  highly qualified athletes
KW  competitive loads
KW  sports physiology
KW  heart rate
JO  Scientific notes of P. F. Lesgaft University
AU  Novikova, N.B.
AU  Ivanova, I.G.
AU  Belyova, A.N.
PY  2026
IS  0
PB  National State University of Physical Education, Sports and Health named after P.F. Lesgaft