Technical conference by dott. Fabio Falchi – CieloBuio – ISTIL: DIRECT VERSUS REFLECTED UPLIGHT IN CREATING LIGHT POLLUTION AND THE OPTIMIZATION OF EXTERIOR LIGHTING The International Symposium on Obtrusive Light and Sky Glow (www.cie-ida-barcelona2004.org) has been organised in Barcelona by the INTERNATIONAL DARK SKY ASSOCIATION and DIVISION 5 (Outdoor Lighting) of the COMISSION INTERNATIONALE DE L’ECLAIRAGE.
