01117nam0-22003371i-450-9900011125604033213-540-56371-7000111256FED01000111256(Aleph)000111256FED0100011125620000920d1993----km-y0itay50------baengCentral Activity in GalaxiesFrom Observation Data to Astrophysical DiagnosticsLectures Held at the Predoctoral Astrophysics School 3 organized by the European Astrophysics Doctoral Network (EADN) inDublin, Ireland, 10-22 September 1990Aage Sandqvist, Thomas P. Ray (Eds.)Berlin [etc.]Springer-Verlag1993Lecture notes in physics413AstronomiaAstrofisicaCosmologia520523Sandqvist,Aage53253Ray,Thomas P.ITUNINARICAUNIMARCBK99000111256040332119-27118790FI1FI1Central Activity in Galaxies337151UNINAING01