Jacobs J A <br/><br/>
Earth's core and geomagnetism 

 -  1963 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>49150 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Earth crust<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H413:C, K3