000 00285nam a2200097 4500
245 _aIntroduction to the ionosphere and magnetosphere
_cJ.A. Ratcliffe
100 _aRatcliffe, J.A.
260 _aCambridge
_bAt the University Press
_c1972
300 _ax,256p.; 22cm.
082 _a538.76
_bRAT
999 _c24178
_d24178