Jacobs, J. A <br/><br/>
Reversals of the earth's magnetic field 
J.A. Jacobs 
 - 2nd ed 
 - Cambridge  Cambridge University Press  1994 
 - viii, 346 p. : ill., maps ; 24 cm 
<br/><br/> Includes bibliographical references (p. [294]-339) and index 
<br/><br/><label>ISBN: </label>9780521450720 
<br/><br/><label>ISSN: </label>93050683 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geomagnetism
<br/><br/><label>Dewey Class. No.: </label>538/.72 JAC