TY  - BOOK
AU  - Roddy,Dennis
AU  - Coolen,John
TI  - Electronic communications
SN  - 013312083X
AV  - TK5105  .R62 1995
PY  - 1995///
CY  - Englewood Cliffs, NJ
PB  - Prentice-Hall
KW  - Telecommunication
ER  -