1. Sir Isaac Newton,Optics(originally published in London, 1704; new edition by Dover, New York, 1952), p. 289.
2. T. Young, “The Bakerian lecture: on the theory of light and colors,”Philos. Trans. R. Soc. London, Part I, 41–48 (1802).
3. Sir John Herschel, “On the theory of light,” Art. 676, Encyclopedia Metropolitana, London (1828).
4. XC. On Quetelet's rings and other allied phenomena