1. 2012 http://europa.eu/rapid/press-release_MEMO-09-368_en.htm?locale=en
2. Energy Independence and Security Act of 2007 http://www.1.eere.energy.gov/femp/regulations/eisa.html
3. Energy efficiency act. Regulations amending the energy efficiency regulations Archived http://canadagazette.gc.ca/rp-pr/p2/2011/2011-11-09/html/sor-dors228-eng.html
4. Phase-out of inefficient incandescent light bulbs http://ee.ret.gov.au/sites/climatechange/files/files/energy-efficiency/Regulatory-Ruling-Incandescent-Final-v1.pdf
5. The risk to normal and photosensitive individuals from exposure to light from compact fluorescent lamps;Moseley;Photodermatol Photoimmunol Photomed,2001