TY  - BOOK
AU  - Frenzel, Louis E.
TI  - Communication electronics : principles and applications / Louis E. Frenzel
SN  - 0071183043 (International ed.)
U1  - 621.382 FRE 
CY  - New York : Glencoe, c2001.
KW  - Electronics.               Radio -- Receivers.               Telecommunication
ER  -