@misc{Poniatowski_Stanisław_(1884-1945)_Midsummer,
 author={Poniatowski, Stanisław (1884-1945)},
 howpublished={online},
 language={pol},
 type={text},
 title={Midsummer Night customs},
 keywords={St. John, Midsummer night, bonfire, Kupała, predictions},
}