TY  - BOOK
AU  - Frier,John P.
AU  - Frier,Mary E.Gazley
TI  - Industrial lighting systems
U1  - 621.32 
PY  - 1980///
CY  - New York
PB  - McGraw-Hill
KW  - Industrial buildings
KW  - Lighting
KW  - Electric discharge lighting
ER  -