TY  - BOOK
AU  - Ware,Lawrence Albert
AU  - Reed,Henry R.
TI  - Communication circuits
U1  - 621.3192 23
PY  - 1949///
CY  - New York
PB  - Jhon willy & sons
KW  - Electric lines
KW  - Electric circuits
N1  - Includes index
ER  -