@misc{Langevin_Paul_(1872–1946)_Magnétisme_1950,
 author={Langevin, Paul (1872–1946)},
 copyright={Public Domain},
 address={Paris},
 howpublished={online},
 year={1950},
 publisher={CNRS},
 language={fre},
 type={Text},
 title={Magnétisme et théorie des électrons, Ann. de Chimie et Physique, 1905, 5, 70},
 URL={http://rcin.org.pl/impan/Content/194960/PDF/WA35_226769_8818_Art18.pdf},
}