TY  - BOOK
AU  - Wiesner,Lothar
TI  - Telegraph and data transmission over shortwave radio links : fundamental principles and networks
SN  - 3800912325
U1  - TK/5543 
PY  - 0000///198
CY  - Berlin
PB  - M©·unchen
KW  - Data transmission systems
KW  - Radioteletype
KW  - Shortwave radio
ER  -