TY  - BOOK
AU  - Boyce,C.F.
TI  - Open-wire carrier telephone transmision / 
U1  - 621.38784 
PY  - 1962///
CY  - London
PB  - Macdonald & Evans, 
KW  - Engineering
KW  - Telephone
KW  - Telephone lines
KW  - Cables
KW  - Power plants
KW  - Communication equipment
N1  - Includes appendices
ER  -