TY  - BOOK
AU  - Barker,Forrest L.
TI  - Communications electronics: Systems, circuits, and devices 
SN  - 0131538837
U1  - 621.38 19
PY  - 1987///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Telecommunication
N1  - Includes index; Bibliogr.: p. 647-648
ER  -