[1]
Cholewa, J., Czuba, M., Zajac, A. and Mikolajec, K. 2009. The effectiveness of chosen training means in the development of endurance in youth swimmers. Journal of Human Sport and Exercise. 4, 3 (Oct. 2009), 262–271. DOI:https://doi.org/10.4100/jhse.2009.43.08.