Are Compact Fluorescent Lightbulbs Really Cheaper Over Time? - IEEE Spectrum
Amazon.com: EMART Full Spectrum Light Bulb, 2 x 45W 5500K CFL Daylight for Photography Photo Video Studio Lighting : Electronics
Amazon.com: HPUSN 85W 110V 5400K Compact Fluorescent CFL Balanced Daylight Bulb with E27 Mount, Lighting Studio Ideal for Photography and Video : Electronics
Xtricity Compact Fluorescent Light Bulb T2 Spiral CFL, 4100k Cool White, 13W (60 Watt Equivalent), 900 Lumens, E26 Medium Base, 120V, UL Listed (Pack of 6) - Amazon.com
Light Bulb Types: How Much Do LED Lights Save per Year? - Dengarden
SYLVANIA 100-Watt EQ A19 Daylight Medium Base (E-26) Cfl Light Bulb (4-Pack) in the General Purpose Light Bulbs department at Lowes.com
Feit Electric 60-Watt Equivalent T3 Spiral Non-Dimmable E26 Medium Base CFL Compact Fluorescent Light Bulb, Soft White 2700K (48-Pack) ESL13T/12/4 - The Home Depot