000			00299nam a2200121 4500
999			_c337493 _d337493
020			_a9780521529532
082			_a553GP _bCAM.I
100			_aCampbell,Wallace H
245			_aIntroduction to geomagnetic fields. _cCampbell,Wallace H
250			_aSecond
260			_aLondon _c2003 _bCUP
942			_cBK