@misc{Steinhaus_Hugo_(1887–1972)_Orzeł_1953,
 author={Steinhaus, Hugo (1887–1972)},
 copyright={Rights Reserved - Restricted Access},
 address={Warszawa},
 howpublished={online},
 year={1953},
 publisher={Nasza Księgarnia},
 language={pol},
 title={Orzeł czy reszka?},
 type={Text},
 keywords={Gry matematyczne. [KABA]},
}