01017nam0-22003011i-450-99000048722040332120070920112458.0000048722FED01000048722(Aleph)000048722FED0100004872220020821d1973----km-y0itay50------bafreenggery-------001yyRecommandations internationales pour l'eclairage des tunnels= International recommendations for tunnel lightingCommission internationale de l'eclairageParisBureau central de la CIE197380 p.30 cmPublication CIE26 (TC-4.6.) 1973IlluminotecnicaLuci621.32International Commission on Illumination151581ITUNINARICAUNIMARCBK99000048722040332110 D IV 2711548DINELDINELRecommandations internationales pour l'eclairage des tunnels332859UNINA