TY  - BOOK
AU  - Braun, Gehard.
TI  - Planning and engineering of shortwave links
SN  - 3800914581
PY  - 1986///
CY  - Berlín : 
PB  - Siemens, 
KW  - ELECTRONICA
KW  - ONDA CORTA
KW  - ANTENAS
ER  -