TY  - GEN
AU  - Roddy, Dennis,
AU  - Coolen, John.
TI  - Electronic communications
SN  - 013312083X
AV  - TK5101 
U1  - 621.382 20
PY  - 1995///
CY  - Englewood Cliffs, NJ
PB  - Prentice Hall Career and Technology
KW  - Telecommunication
N1  - Includes index
ER  -