@misc{Gillmeister_Heiner_On,
 author={Gillmeister, Heiner},
 copyright={Akademia Wychowania Fizycznego w Poznaniu},
 howpublished={online},
 publisher={Akademia Wychowania Fizycznego w Poznaniu},
 language={eng},
 type={artykuł},
 title={On the origin and diffusion of European ball games. A linguistic analysis},
 keywords={historical linguistics, Origins of Games, diffusion of games, medieval football and related games},
}