01150nam a2200337 i 450099100090219970753620020507103009.0951128s1983 us ||| | eng b10145837-39ule_instLE00638859ExLDip.to Fisicaita52.9.352.9.3252.9.52550.38QC816Merrill, Ronald49254The earth's magnetic field :its history, origin and planetary perspective /Ronald Merrill and Michael W. McElhinnyNew York :Academic Press,1983xi, 401 p. :ill. ;24 cm.International geophysics series ;32Dynamo theory (Cosmic physics)GeomagnetismPaleomagnetismMcElhinny, M..b1014583717-02-1727-06-02991000902199707536LE006 52.9.3 MER12006000007986le006-E0.00-l- 00000.i1017348127-06-02Earth's magnetic field186204UNISALENTOle00601-01-95ma -engus 41