Source: https://www.researchgate.net/profile/Wilfried-Blanc-2/publication/281072809_La_mesure_de_la_vitesse_de_la_lumiere_de_Cornu_a_Perrotin/links/5647481e08ae451880ac2586/La-mesure-de-la-vitesse-de-la-lumiere-de-Cornu-a-Perrotin.pdf