TY  - BOOK
AU  - Schoenbech, Robert J. 
TI  - Electronic communications:modulation and transmission
SN  - 81-85274-43-6
U1  - 621.381 
PY  - 1992///
CY  - New delhi
PB  - Universal Book
KW  - Communications engineering
KW  - Electronics
N1  - Includes index
ER  -