@misc{Langevin_Paul_(1872–1946)_Bibliographie_1950,
 author={Langevin, Paul (1872–1946)},
 copyright={Public Domain},
 address={Paris},
 howpublished={online},
 year={1950},
 publisher={CNRS},
 language={fre},
 title={Bibliographie de l'æuvre scientifique de Paul Langevin},
 type={Text},
 URL={http://rcin.org.pl/Content/196594/PDF/WA35_226891_8818_Art50.pdf},
}