Webb, David, ed. <br/><br/>
Comparative Magnetic Minima: Characterizing quiet times in the Sun and Stars  [eBook] 

 - Cambridge                                                     Cambridge University Press                                    2012 
 - Online resource 
 - IAU Symposium; no. 286 .
<br/><br/><label>ISBN: </label>978-1-107-01986-7 (Print) 
<br/><br/><label>ISSN: </label>1743-9213 (Print) 1743-9221 (Online)