Chronobiologiceskie faktory, vlijajuscie na sorevnovatel'nuju dejatel'nost' biatlonistov - Sivakov, V. I.; Sivakov, D. V. (Teorija i Praktika fiziceskoj Kul'tury, 2005)
Keywords: biorhythm; relation; performance; biathlon; competition; Russia; biological and medical sciences; endurance sports