00778nam 2200241 450 991072759900332120230621134844.020230621d1984----mm y0engy50 ba engGB 001yyNational Lighting ConferenceRobinson College, University of Cambridge16-18 April 1984CIBSLondonCIBS1984301 p.ill.28 cmIlluminotecnicaConferenzeNational Lighting Conference<16-18 April 1984 ;University of Cambridge>1362601ITUNINAREICATUNIMARCBK991072759900332110 PRO 611DONODIFRAIA2019DINELDINELNational Lighting Conference3381881UNINA