Hale George E <br/><br/>
Rotation period of the sun 

 -  1908 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>72172 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>Dewey Class. No.: </label>B93:631, D8