| 000 | 00378nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1971 xx 000 0 und d | ||
| 082 | _a621.384 15 D52P | ||
| 100 | _aDOLUKHANOV, M. | ||
| 245 | 0 | _aPropagation of radio waves | |
| 260 |
_bMoscow _c1971 |
||
| 300 | _a372p | ||
| 650 | _aRADIO WAVES | ||
| 653 | _aRADIO BROADCASTING | ||
| 653 | _aRADIO WAVES | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c49921 _d49921 |
||