000 | 004730000a22001450004500 | ||
---|---|---|---|
008 | 140223b1953 xxu||||| |||| 00| 0 eng d | ||
041 | _aeng | ||
080 | _aU296 113J3 | ||
082 | _aU296 113J3 | ||
100 | _aRawer Karl | ||
245 | _aDie Ionosphare:ihre bedeutung fur geophysik und radioverkehr,(Ionosphere its significance for geophysics and radio communications) | ||
260 |
_aNoordhoff _bGroningen-holland _c1953 |
||
650 | _aGeography | ||
650 | _aWeather Forecasting | ||
999 |
_c235540 _d235540 |