@misc{Langevin_Paul_(1872–1946)_Sur_1950,
 author={Langevin, Paul (1872–1946)},
 copyright={Domena Publiczna},
 address={Paris},
 howpublished={online},
 year={1950},
 publisher={CNRS},
 language={fre},
 type={Tekst},
 title={Sur les chocs entre neutrons et noyaux, C. R. Acad, Sci., 1942, 214, 867},
 URL={http://www.rcin.org.pl/Content/196586/PDF/WA35_226887_8818_Art46.pdf},
}