Jacobs J A <br/><br/>
Geomagnetic micropulsations 

 -  1970 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>25254 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>Dewey Class. No.: </label>B9:6, L0;1