The paper by Zhanget alwhich proceedes this correspondence.
2.
CuttleC. Towards the third stage of the lighting profession. Lighting Research and Technology2010; 42: 73–93.
3.
CuttleC. Making the switch from task illumination to ambient illumination: principles and practicalities, including energy implications. Lighting Research and Technology2020; 52: 455–471.
4.
DuffJAntonuttoGTorresS. On the calculation and measurement of mean room surface exitance. Lighting Research and Technology2016; 48: 384–388.