Central activity in galaxies : from observational data to astrophysical diagnostics : lectures held at the Predoctoral Astrophysics School III, organized by the European Astrophysics Doctoral Network (EADN) in Dublin, Ireland, 10-22 September 1990 /
This outstanding collection of surveys addresses graduate and predoctoral students. It reports on theoretical research and observational data on active galactic nuclei: The enigma of the nuclei of galaxies with their central "monster" driving the vast range of activity observed in quasars,...
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