000 00413nam a2200121Ia 4500
008 160316s9999 xxu||||| |||| 00| 0 eng d
100 _aBudden, K.G
245 _aRadio waves in the ionosphere
260 _aCambridge
_bCUP
_c1964
300 _aVIII, 542p
650 _aWave propogations & transmission
999 _c3434
_d3434