TY  - BOOK
ED  - United States.
TI  - Installation and maintenance of electric supply and communication lines: safety rules and discussion / 
T2  - National Bureau of Standards. Handbook 43
PY  - 1949///
CY  - Washington
PB  - U. S. Govt. Print. Off.
KW  - INGENIERIA ELECTRICA
KW  - LINEAS ELECTRICAS
ER  -