@misc{Piwowarska_A._Sobek,,
 author={Piwowarska, A.},
 howpublished={online},
 language={pol},
 title={Sobek, Joachim (1900-1940)},
 type={fotografia},
 keywords={Kalinin, Twer, Miednoje, policjant, Ostaszków, Sobek, Joachim (1900-1940), Sadowne},
}