Hale, G E <br/><br/>
RECENT WORK OF THE MOUNT WILSON SOLAR OBSERVATORY.  [electronic resource] 

 -  Science (New York, N.Y.)  Feb 1909 
 - 220-2 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-8075 
<br/><br/><label>Standard No.: </label>10.1126/science.29.736.220  doi