Cyber World Directory- Science and Technology > Science, Technology, and Society Studieshttp://www.cyber-world.us/science_and_technology/science_technology_and_society_studies/Site description LED professionalhttp://www.led-professional.com LED professional - First in LED information worldwide LED professional reports on LED and Solid-State Lighting, throughout the portal, a newsletter and an outstanding LED technology magazine called LED professional Review ( LpR).Wed, 14 May 2008 16:28:21 GMT