Artykuł: Changes in motor skills of children who train sports swimming at the initial stage of school education : (in an annual training cycle) / Paweł Eider, Krzysztof Wilk, Michał Tarnowski, Robert Terczyński. // Central European Journal of Sport Sciences and Medicine. 2017, vol. 20 no. 4, s.5-17 DOI: 10.18276/cej.2017.4-10 (WorkId 18090)