@misc{Helvétius_Claude-Adrien_(1715-1771)_De_1759,
 author={Helvétius, Claude-Adrien (1715-1771)},
 title={De l'esprit. T. 1},
 address={A Amsterdam et A Leipzig},
 year={1759},
 language={fre},
 type={starodruk},
 publisher={Chez Arkstee & Merkus},
 keywords={Helvétius, Claude-Adrien (1715-1771), Moralność, Umysł- filozofia, Stare druki},
}