TY  - BOOK
AU  - Porges, F.
AU  - Porges, John.
TI  - Design of Electrical Services for Buildings
SN  - 0419123601
U1  - 621.3192 
PY  - 1982///
CY  - London
PB  - E. & F.N. Spon
N1  - Includes index
ER  -