TY  - BOOK
AU  - Frenzel, Louis E.
AU  - Frenzel, Louis E.
TI  - Communication electronics
SN  - 9780071133173
AV  - 621.382 FRE 1994 
U1  - 621.382 FRE 1994 
PY  - 1994///
CY  - New Yew
PB  - McGraw-Hill
KW  - Communication Engineering
ER  -