000 00396nam a2200121Ia 4500
008 160316s9999 xxu||||| |||| 00| 0 eng d
100 _aGurevich A.V
245 _aNon-Linear phenomena in Ionosphere
260 _aNew York
_bSpringer-Verlag
_c1978
300 _aX, 370p
650 _aIonsphere
999 _c14778
_d14778