TY  - BOOK
AU  - COUCH II (Leon W).
TI  - Digital and analog communication systems. Ed 3
SN  - 002946062X
U1  - 621.380413 COUD 
PY  - 1990///
CY  - New York.
PB  - Macmillan Publishers Ltd.
KW  - Digital Analog Communication


ER  -