TY  - BOOK
AU  - Gagliardi, Robert   
TI  - Introduction to communications engineering
SN  - 0-471-03099-6
U1  - 621.38 
PY  - 1978///
CY  - New York
PB  - John Wiley
KW  - Communications engineering
KW  - Telecommunication
N1  - Includes indexz
ER  -