Booth, R. S., ed. <br/><br/>
Cosmic Masers - from OH to Ho  [eBook] 

 - Cambridge                                                     Cambridge University Press                                    2012 
 - Online resource 
 - IAU Symposium; no. 287 .
<br/><br/><label>ISBN: </label>978-1-107-03284-2 (Print) 
<br/><br/><label>ISSN: </label>1743-9213 (Print) 1743-9221 (Online)