@misc{Gaertner_Henryk_(1892–1935)_O_1928,
 author={Gaertner, Henryk (1892–1935)},
 copyright={Public Domain},
 address={Lwów ;},
 address={Warszawa},
 howpublished={online},
 year={1928},
 publisher={Książnica-Atlas},
 language={pol},
 title={O naukę gramatyki polskiej w szkole średniej},
 type={Text},
 keywords={Polish language - teaching},
}