TY  - GEN
AU  - Haykin, Simon
TI  - An introduction to analog and digital communications
SN  - 9971-51-145-2
U1  - 621.39 
PY  - 1994///
CY  - Singapore
PB  - John Wiley and Sons
KW  - 621.39
KW  - Tele-communication systems
ER  -