TY  - BOOK
AU  - Couch,Leon W.
TI  - Digital and analog communication systems
SN  - 0131424920
AV  - TK5101 .C69 1997
PY  - 2007///
CY  - Upper Saddle River, NJ
PB  - Prentice Hall
KW  - Telecommunication systems
KW  - Digital communications
ER  -