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