Soderblom, David <br/><br/>
Astrophysics: Stellar clocks.  [electronic resource] 

 -  Nature  Jan 2015 
 - 557-8 p.  digital 
<br/><br/> Publication Type: Comment; Journal Article 
<br/><br/><label>ISSN: </label>1476-4687 
<br/><br/><label>Standard No.: </label>10.1038/517557a  doi