Blackett P M S <br/><br/>
Lecture on rock magnetism 

 -  1946 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>47228 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Petrology<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H2:C7z7, H6