%0 Journal Article %T Redefining efficiency for outdoor lighting %A Kyba, C. C. M. %A Hänel, A. %A Hölker, F. %J Energy & Environmental Science %V 7 %N 6 %P 1806-1809 %@ 1754-5692 %D 2014-05-22 %I The Royal Society of Chemistry %~ DeepDyve