TY  - GEN
TI  - TELECOMMUNICATION SYSTEMS
U1  - 621.38 
PY  - 1976///
CY  - Milton Keynes
PB  - Open Univ.
N1  - Contents : Unit 1. Circuits, Filters And Amplifiers -- Unit 2. Modulation -- Unit 3 And 4 Channels And Lines -- Units 5 And 6 Noise And Interference And Digital Systems -- Units 7, 8, 9. Telephone Systems -- 10 Case
ER  -