TY  - BOOK
ED  - Royal Signals                                                                                                                                                                                                                                                  . 
TI  - Handbook of line communication / 
U1  - 621.319 
PY  - 1978///
CY  - New Delhi : 
PB  - Standard Publishers (India) , 
KW  - ELECTRIFICATION
N1  - Includes index
ER  -