| 000 | 00560nam a2200205Ia 4500 | ||
|---|---|---|---|
| 008 | 210529s9999||||xx |||||||||||||| ||und|| | ||
| 040 | _aSOETPKD | ||
| 041 | _aEnglish | ||
| 082 | _a621 | ||
| 100 | _aWIESNER, L. | ||
| 245 |
_aTELEGRAPH AND DATA TRANMISSION OVER SHORTWAVE MISSION OVER SHORTWAVE RADIO LINKS _bFUNDAMETAL PRINCIPLES AND NETWORKS |
||
| 250 | _a2ND | ||
| 260 |
_bHEYDEN AND SON LTD _aLONDON _c1981 |
||
| 300 |
_a198 _bNA |
||
| 500 | _a3152 | ||
| 650 | _aNA | ||
| 650 | _aNA | ||
| 942 | _cBK | ||
| 999 |
_c17732 _d17732 |
||