TY  - BOOK
AU  - Taub, Herbert
AU  - Schilling, Donald L
TI  - Principles of communication sytstems 
SN  - 0-07-462456-3
U1  - 621.382 
PY  - 1986///
CY  - New Delhi
PB  - TMH
KW  - Communication
N1  - Includes index
ER  -