@misc{Langevin_Paul_(1872–1946)_Recherches_1950,
 author={Langevin, Paul (1872–1946)},
 copyright={Public Domain},
 address={Paris},
 howpublished={online},
 year={1950},
 publisher={CNRS},
 language={fre},
 title={Recherches sur les gaz ionisés, These et Ann. Chimie et Physique, 1903, 28, p. 289 et 233},
 type={Text},
 URL={http://rcin.org.pl/Content/194019/PDF/WA35_226682_8818_Art4.pdf},
}