TY  - BOOK
AU  - Robert G. Winch
TI  - Telecommunication  transmission system : Microwave, fiber optic, mobile cellular, radio, data, and digital multiplexing 
SN  - 0070709645
U1  - 621.382 
PY  - 1993///
CY  - New York
PB  - McGraw Hill
KW  - Telecommunication  transmission system
ER  -