Marathonlauf und Marathontraining - Kretschmann, K. (Theorie und Praxis des Leistungssports, 1972)
Keywords: long distance running; running; long-term endurance; marathon running; training; load organization; load volume; load intensity; training planning; performance structure; performance factor; diagnostics; control; training state; investigation method; GDR; endurance sports; training science