1. Source: http://www.docstoc.com/docs/27529069/A-History-of-Lamp-Technology
2. I.F. Davies, E.T. Glenny, Light sources over 50 years. Light. J. 39(2) (1974), http://www.raylight.co.uk/resources/documents/lamphistory.doc
3. J. Gordon Cook, Michael Faraday: Lives to Remember (Adam & Charles Black, London, 1963)
4. CIBSE Code for Interior Lighting (1994, updated 1997)
5. S. Shionoya, W.M. Yen, Phosphor Handbook (CRC Press, New York, 1998), p. 608