TY  - BOOK
AU  - Watson, C.G
TI  - Sags and tensions in overhead lines
U1  - 621.31921 
PY  - 1931///
CY  - London
PB  - Sir Isaac Pitman & Sons, Ltd.
KW  - MCE
N1  - 0; 0; 0; 621_319210000000000_WAT
ER  -