TY - BOOK AU - Couch, Leon W. AU - Couch, Leon W. TI - Digital and analog communication systems SN - 9780130896308 AV - 621.382 COU 2001 U1 - 621.382 COU 2001 PY - 2001/// CY - NewJersey PB - Prentice-Hall KW - Communication Engineering ER -