The changes of anaerobic and aerobic efficiency for 12-13 aged girls practising swimming - Adach, Z.; Adach, J.; Niescieruk-Szafranska, B. (Sport Kinetics '93 - 3rd International Conference Poznan 8 - 11 September 1993 - Conference Proceedings, 1994)
Keywords: swimming; age; youth; junior elite sport; performance capacity; aerobic; anaerobic; load organization; Poland; endurance sports; junior sports