Veron-Cetty, M.P. <br/><br/>
A catalogue of quasars and active nuclei 
M. P. Veron-Cetty and P. Veron                                           
 - 6th ed. 
 - Garching  European Southern Observatory  1993 
 - 232p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Active nuclei<br/>Quasars
<br/><br/><label>Universal Decimal Class. No.: </label>083.8:52-77  / VER