@misc{Supiński_Józef_(1804-1893)_Pisma,
 author={Supiński, Józef (1804-1893)},
 howpublished={online},
 publisher={Gebethner i Wolff},
 language={pol},
 type={book},
 title={Pisma Józefa Supińskiego. T. 2},
 keywords={economy, sociology, social sciences, Poland, 19th century},
}