TY  - BOOK
AU  - Couch,Leon W.
TI  - Digital and analog communication systems
SN  - 0023252405
AV  - TK5101 .C69 1983
U1  - 621.380413 COU 
PY  - 1983///
CY  - New York, London
PB  - Macmillan, Collier Macmillan
KW  - Telecommunication systems
KW  - Digital communications
N1  - Includes bibliographical references and index
ER  -