@misc{Langevin_Paul_(1872–1946)_Oeuvres_1950,
 author={Langevin, Paul (1872–1946)},
 copyright={Public Domain},
 address={Paris},
 howpublished={online},
 year={1950},
 publisher={CNRS},
 language={fre},
 type={Text},
 title={Oeuvres scientifiques de Paul Langevin},
}