Rest, A <br/><br/>
Light echoes reveal an unexpectedly cool η Carinae during its nineteenth-century Great Eruption.  [electronic resource] 

 -  Nature  Feb 2012 
 - 375-8 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. 
<br/><br/><label>ISSN: </label>1476-4687 
<br/><br/><label>Standard No.: </label>10.1038/nature10775  doi