@misc{Mniszek_Tchorznicki_Mieczysław_Dlaczego_[ante,
 author={Mniszek Tchorznicki, Mieczysław},
 copyright={Rights Reserved - Restricted Access},
 address={[S.l.]},
 address={(Siedlce)},
 howpublished={online},
 year={[ante 1935]},
 publisher={s.n.},
 publisher={(Druk. Federacji)},
 language={pol},
 title={Dlaczego musimy chronić przyrodę},
 keywords={man, conservation, protection, nature - health aspects - popular works, nature conservation - social aspects - Poland - popular works},
}