000			00318pam a2200133a 44500
008			160408b1989 xxu||||| |||| 00| 0 eng d
020			_a0 12 378673 8
082			_a538.7 _bG292 V.3
100			_aJacobs, J.A.
245	1		_aGEOMAGNETISM
260			_a _bAcademic Press _c1989
964			_gCIRC
997			_aA107112 C
999			_c313163 _d313163