TY  - BOOK
AU  - Wiesner, Lothar
TI  - Telegraph and data Transmission over shortwave radio links
SN  - 0471905992
U1  - 621.3841 
PY  - 1984///
CY  - New Jersy
PB  - John Wiley and Sons, Ltd.
KW  - Radio
KW  - Shortwave
ER  -