Article
Astronomische Nachrichten  (2003)

The AGN source population in the Chandra Deep Field-North Survey: constraints from X-ray spectroscopy and variability

Bauer, F. E.; Vignali, C.; Alexander, D. M.; Brandt, W. N.; Garmire, G. P.; Hornschemeier, A. E.; Broos, P.; Townsley, L.; Schneider, D. P.