• Forty Years of X-Raying Narrow-Line Seyfert 1 Galaxies 

      Autor: Boller, Thomas
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      Forty years after the discovery of Narrow-Line Seyfert 1 Galaxies (NLS1s), and 20 years since the discovery of the remarkable ultrasoft soft X-ray emissions of NLS1s, strategic publications improved the understanding of ...