@misc{Heller_Michał_Relativity,,
 author={Heller, Michał},
 copyright={Heller, Michał},
 address={Toruń},
 howpublished={online},
 publisher={Nicholas Copernicus University Press},
 language={eng},
 type={artykuł},
 title={Relativity, Reference Frames, and the Existence of Physics},
 keywords={historia nauk ścisłych, relatywizm},
}