@misc{Janowski_Stanisław_(1866-1942)_Zmiana,
 author={Janowski, Stanisław (1866-1942)},
 howpublished={online},
 publisher={Naczelny Komitet Narodowy},
 language={pol},
 type={iconic document},
 title={Zmiana warty},
 keywords={Polish Legions, eastern front, Carpathian mountains, polish soldiers, postcards},
}