TY  - BOOK
AU  - Couch,Leon W.
TI  - Digital and analog communication systems
SN  - 0131424920 (hbk)
U1  - 621.382. 
PY  - 2007///c
CY  - New Jersey
PB  - Pearson Prentic Hall
KW  - Telecommunication systems
N1  - Index included
ER  -