TY  - RPRT
TI  - Practice improvement. V. Lighting.
AU  - A D Charters
PY  - 1966
DO  - 10.1111/j.1748-5827.1966.tb04377.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5941130/
ID  - 5941130
ER  -