@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 ionisès, C. R. Acad. Sci., 1902, 134, 414}, type={Text}, URL={http://rcin.org.pl/Content/193969/PDF/WA35_226677_8818_Art1.pdf}, }