Khachikian, E.Y. <br/><br/>
Observational Evidence of Activity in Galaxies 

 - Dordrecht:  Reidel ublishing Company  1987 
 - 601p. ; 24 cm. 
<br/><br/> Proceedings of the 121th. Symposium of the International Astronomical Union held in Byurakan, Armenia, on June 3-7, 1986 
<br/><br/><label>ISBN: </label>90-277-2474-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomía