D'Onofrio, Mauro  <br/><br/>
Fifty Years of Quasars  [eBook] 

 - Heidelberg, Berlin  Springer Berlin Heidelberg  2012 
 - Online resource 
 - Astrophysics and Space Science Library .
<br/><br/><label>ISBN: </label>978-3-642-27563-0 (Print) 978-3-642-27564-7 (Online) 
<br/><br/><label>ISSN: </label>0067-0057 (Print) 2214-7985 (Online) 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Astronomy, Astrophysics and Cosmology<br/>Physics