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A History of Light and Lighting,  www.mts.net/~william5/history/hol.htm

American Lighting Association,  www.americanlightingassoc.com

Architectural Lighting,  www.archlighting.com

Asoc. Nac.de Fabricantes de Luminar.,  www.anfalum.com

Ass. Naz. Produttori Illuminazione,  www.anie.it

Assocciation of Finnish Lighting Equipment,  www.teknologiateollisuus.fi

Assocciation of the Austrian Electrotechnical Industry,  www.feei.at

Association Française de l’Eclairage,  www.afe-eclairage.com.fr

Aydınlatma Türk Milli Komitesi,  www.atmk.org.tr

Belysningsbranschen,  www.belysningsbranschen.se

C.E.L.M.A.,  www.celma.org

China Illuminating Engineering Society,  www.lightingchina.com

CIE – Int. Comission on Illumination,  www.cie.co.at

Dialux – Software,  www.dial.de

Elektrik Tesisat Mühendisleri Derneği (ETMD),  www.etmd.org.tr

Esim Test Hizmetleri,  www.esim.com.tr

German Electric & Electronic Lighting Portal,  www.all-about-light.com

Gisel France,  www.gisel.fr

Home Lighting & Accessories Magazine,  www.homelighting.com

ID Lumiere,  www.idlumiere.fr

Illuminating Eng. Soc. of N. America,  www.iesna.org

Instutition of Lighting Engineers UK,  www.ile.co.uk

Lighting Design Glossary,  www.schorsch.com/kbase/glossary

Lighting Industry Federation Ltd,  www.lif.co.uk

Lighting Research – Canada,  irc.nrc-cnrc.gc.ca/ie/lighting/index_e.html

Lighting Research Center,  www.lrc.rpi.edu

Lighting Technologies – Software,  www.lighting-technologies.com

Lighting.com,  www.lighting.com

Multisector Federation for the Technology Industry,  www.agoria.be

Nederlandse Lighting Association,  www.lichtassociatie.nl

Netherlands Assocciation of Emergency Lighting Manufactorer,  www.nvfn.nl

Oxytech – Software,  www.egoluce.com/oxitech.html

Professional Lighting & Production M.,  www.professional-lighting.com

Professional Lighting Design Türkiye,  www.pld-turkiye.com

Relux – Software,  www.relux.biz

Syndicat de l’Eclairage,  www.syndicat-eclairage.com

The Lighting Association UK,  www.lightingassociation.com

The Lighting Resource,  www.lightresource.com

The Portuguese Lighting Association,  www.aipi.pt

Yapı Fiziği Uzmanlık Enstitüsü,  www.yfu.com/yfu-home.html