TY  - BOOK
AU  - Zijl,H.
TI  - Illuminating engineering course
U1  - 621.32 
PY  - 1955///
CY  - Edinburg
PB  - Philips Technical Library
KW  - Electric lighting
KW  - Lighting
KW  - Electric engineering
KW  - Lighting, architechtural, decorative
ER  -