@misc{Mikoński_Romuald_Słupskie,
 author={Mikoński, Romuald},
 howpublished={online},
 publisher={LenART},
 language={pol},
 language={eng},
 language={ger},
 type={book},
 title={Słupskie elektrownie wodne},
 keywords={Hydroelectric power stations, Hydrology, Rivers, Polish photography},
}