TY  - BOOK
AU  - Clarke,Kenneth K.
AU  - Hess,Donald T.
TI  - Communication circuits: analysis and design 
T2  - Addison-Wesley Elec. Engr
AV  - TK7867 .C55 1971
U1  - 621.38412 
PY  - 1971///
CY  - London
PB  - Addison-Wesley Publishing
KW  - Electrical engineering
ER  -