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Deaton, Jennifer; Tina Patrick; revised by David Askey (2002). "History of the Speed of Light"(PDF). Junior Lab. Physics Dept. Univ. of Oklahoma. Hentet 2008-12-25.{{cite web}}: CS1-vedligeholdelse: Flere navne: authors list (link), p.15
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"René Blondlot's Parallel Wires and Standing Waves". The Speed of Light. New Jersey Society for Amateur Scientists. 2002. Arkiveret fra originalen 3. marts 2016. Hentet 2008-12-25., credited to K. D. Froome and L. Essen, "The Velocity of Light and Radio Waves", Academic Press, 1969
