Paule, Bernard AlainKaempf, Jérôme HenriDubois, Marie-Claude2015-10-302015-10-302015-10-30201510.5075/epfl-cisbat2015-277-282https://infoscience.epfl.ch/handle/20.500.14299/120254Lighting retrofit in current practice: Results from a survey of IEA Task 50text::conference output::conference proceedings::conference paper