000			00650nam a2200217Ia 4500
008			191130s1994##################000#0#eng##
020			_a9780521450720
022			_a93050683
040			_aACL _cACL
082			_a538/.72 JAC
100			_aJacobs, J. A
245			_aReversals of the earth's magnetic field _cJ.A. Jacobs
250			_a2nd ed
260			_aCambridge _bCambridge University Press _c1994
300			_aviii, 346 p. : ill., maps ; 24 cm
500			_aIncludes bibliographical references (p. [294]-339) and index
650			_aGeomagnetism
990			_ada38605eac10000c273b72f5476a5111
991			_a368778
999			_c390483 _d390483