%0 Journal Article %@ 0950-4559 %A Guan, L %A Unwin, J %D 2016 %F discovery:1569419 %I EMAP %J The Lighting Journal %P 16-19 %T Clear as Daylight %U https://discovery.ucl.ac.uk/id/eprint/1569419/ %Z This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.