Seward, Federick D. <br/><br/>
Exploring the X-ray Universe  [eBook] 

 - 2nd ed. 
 - Cambridge  Cambridge University Press  2012 
 - Online resource 
<br/><br/><label>ISBN: </label>978-0-511781-51-3 (Online) 978-0-521884-83-9 (Print) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Observational Astronomy<br/>Physics and Astronomy<br/>Techniques and Instrumentation