25W ES-E27 Compact Fluorescent T3 Spiral Lamp in Warm White
Comparing LED vs CFL vs Incandescent Light Bulbs
G.E. to Phase Out CFL Bulbs - The New York Times
3 x 20W (=88W Replaces 100W) BC B22 CFL Energy Saving Light Bulb, Bayonet, 1200 Lumen, 10 Years, 2700K Warm White Compact Fluorescent Stick Lamp, Low Power : Amazon.co.uk: Lighting
11W CFL Energy Saving Light E14 FS - Low Energy Supermarket