Wesołowski, R., C. Mila-Kierzenkowska, A. Woźniak, T. Boraczyński, and P. Sutkowy. “Body Composition Analysis in Regular Winter Swimmers and People Who Do Not Use This Form of Recreation”. Medical and Biological Sciences, vol. 27, no. 4, Apr. 2014, pp. 47-52, doi:10.12775/mbs-2013-0035.