Commision Internationale De L'Eclairage / International Commission on Illumination http://www.cie.co.at/
Lighting Laboratory - Helsinki University of Technology http://www.lightinglab.fi/
CIE Expert Symposium ‘Vision and Lighting in Mesopic Conditions ‘05' http://vision.vein.hu/CIESYMP05
CIE Midterm Meeting and International Lighting Congress, León ‘05 http://www.ceisp.com/simposium/ceileon/ingles
