@misc{Langevin_Paul_(1872–1946)_Sur_1950,
 author={Langevin, Paul (1872–1946)},
 copyright={Public Domain},
 address={Paris},
 howpublished={online},
 year={1950},
 publisher={CNRS},
 language={fre},
 title={Sur l'expérience de M. Segnac, C. R. Acad. Sci., 1937, 205, 304},
 type={Text},
 URL={http://rcin.org.pl/Content/195771/PDF/WA35_226776_8818_Art25.pdf},
}