1. K.D. Froome and L. Essen, “Velocity of Light and Radio Waves”, Academic Press, London & New York (1969).
2. H. Fizeau, Compt. Rendus 29, 90 & 132 (1849).
3. L. Foucault, 1878 Receuil des travaux Sci. de L.F. (Paris) p. 173, p. 517, p. 546.
4. A. Cornu, Jour. de l’Ecole polytech., 27, 133 (1874).
5. A.A. Michelson, 1879 Am. Jour. Sci. Ser. 3, 18, 390 (1879).