@misc{Żurek_Piotr_The,
 author={Żurek, Piotr and Rynkiewicz, Tadeusz and Rynkiewicz, Mateusz and Kos, Henryk},
 copyright={Akademia Wychowania Fizycznego w Poznaniu},
 copyright={Cornetis},
 howpublished={online},
 publisher={Akademia Wychowania Fizycznego w Poznaniu},
 publisher={Cornetis},
 language={eng},
 type={artykuł},
 title={The ability to maintain postural balance by water polo players during supervised training of Polish junior national team members},
 keywords={postural balance, water polo, training},
}