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20012004
most citedThe HELLAS2XMM 1dF survey: on the nature of high X-ray to optical flux ratio sources

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astro-ph2004

Physics and evolution of obscured X-ray sources: a multiwavelength approach

Marcella Brusa

Observations at high energies yield important information on the structure and nature of AGN; when coupled with deep optical and near-infrared (photometric and spectroscopic) follo…