Luminance 7 : The amount of light given off by lamp or other body. This includes reflected light and emitted light, and the unit of measurement is the candela per sq m (cd/m2)
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}