TY  - BOOK
AU  - Couch , Leon W.
TI  - Digital and analog communication system
SN  - 0-02-325380-0
U1  - 621.382 
PY  - 1987///
CY  - New York
PB  - Macmillan
KW  - Digital communication
KW  - Signal theory
KW  - Telecommunication system
N1  - Includes bibliographical references and index
ER  -