TY  - BOOK
AU  - Stevens, W. R.
TI  - Building physics: lighting; seeing in the artificial environment 
U1  - 621.3225 
PY  - 1969///
CY  - Oxford
PB  - Pergamon Press
KW  - Electric lighting
KW  - Lighting, Architectural and decorative
N1  - Includes bibliographical references
ER  -