Merrill, Ronald T., <br/><br/>
The earth's magnetic field :  Its history, origin and planetary perspective / 
Ronald t. merrill, Michael w. mcelhinny 
 - 401 páginas 
 - International geophysics series ;  v. 32 .
<br/><br/><label>ISBN: </label>0124912400 0-12-491242-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geomagnetismo
<br/><br/><label>LC Class. No.: </label>QC816  / M46