00448    a2200157   4500003000900000005001700009008004100026020001800067040001200085080001600097100002000113245006300133260005200196300001500248650002700263IN-BaIIA20230217152726.0230127b        |||||||| |||| 00| 0 eng d  a0-521-47348-9  cIIA LIB  a524.64bPET  aPeterson, B. M.  aAn introduction to active galactic nucleicB. M. Peterson   bCambridge University Pressc1997aCambridge, UK  axvi, 238p.  aActive galactic nuclei