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| 005 | 20250425160728.0 | ||
| 008 | 250425s9999 xx 000 0 und d | ||
| 020 | _a3800914050 | ||
| 041 | _aeng | ||
| 245 | 0 | _aTELEGRAPH AND DATA TRANSMISSION OVER SHORTWAVE RADIO LINKS: FUNDAMENTAL PRINCIPLES AND NETWORKS | |
| 250 | _aS.E. | ||
| 260 |
_aAlemania _bSIEMENS _c1977 |
||
| 260 | _aBERLIN | ||
| 300 | _a199 | ||
| 500 | _aD-13637 S/.9.900 SIEMENS BIBL .090.30 | ||
| 650 | _aENLACES DE TELECOMUNICACIONES | ||
| 650 | _aREDES DE RADIO | ||
| 650 | _aTRANSMISION DE ONDAS | ||
| 942 | _c01 | ||
| 010 | _a3660 | ||
| 999 |
_c194975 _d194975 |
||