TY  - BOOK
AU  - Porges, F.
TI  - The design of electrical services for buildings 
SN  - 0419108408 :
U1  - 621.31924 
PY  - 1975///
CY  - London ;New York 
PB  - E. & F. N. Spon ;;distributed by Halsted Press
KW  - Buildings
ER  -