000 006530000a22001930004500
001 428
090 _a428
100 _a19880608d1985 m y0pory5003 ba
102 _aUS
200 _aQuiet ionospheric currents of the Northern Hemisphere derived from geomagnetic field records
_fWallace H.Campbell
300 _ain:"Journal of Geophysical Research",Wash.D.C.90 (A7) July 1985,p.6475-6486
317 _aOrigem: INMG
330 _aSumário (Met.Geo.Abst.1987,p.529)
606 _aSISTEMA DE CORRENTE-S9
606 _aIONOSFERA
606 _aESTRUTURA DA ATMOSFERA
675 _a551.510.535
_vmed
_zfre
675 _a550.385.26
_vmed
_zfre
700 1 _aCampbell
_bWallace H.