Elder, J W <br/><br/>
Lunar continental migration and maria spreading.  [electronic resource] 

 -  Nature  Feb 1970 
 - 842-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0028-0836 
<br/><br/><label>Standard No.: </label>10.1038/225842a0  doi