00564nam a2200181Ia 4500003000900000008004100009020001800050040001600068080002400084245011300108260004800221300002300269650001300292650002500305650001200330700002000342700002000362IN-BaIIA211028s9999    xx            000 0 eng d  a0-521-22494-2  cIIA Library  a524.744(082.1)bACT 0aActive galactic nucleicedited by C. Hazard and S. Mitton                                                     aCambridgebCambridge University Pressc1979  a[various pagings.]  aGalaxies  aNuclear astrophysics  aQuasars  aHazard, C., ed.  aMitton, S., ed.