@misc{Dornblüth_Otto_(1860-1922)_Hygiena_1893,
 author={Dornblüth, Otto (1860-1922)},
 title={Hygiena pracy umysłowej},
 address={Warszawa},
 year={1893},
 language={pol},
 type={książka},
 publisher={Księgarnia Teodora Paprockiego i S-ki},
}