@misc{Blaustein_Leopold_(1905-1944)_Przyczynki,
 author={Blaustein, Leopold (1905-1944)},
 address={[Lwów]},
 howpublished={online},
 publisher={[s.n.]},
 language={pol},
 type={broszura},
 title={Przyczynki do psychologji i pedagogiki karności},
}