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astro-ph1994★ 4 cited
Preliminary Results from the ESO Slice Project (ESP)
G. Vettolani, E. Zucca, A. Cappi +18
We present the first results of a galaxy redshift survey, ESO Slice Project (ESP), we are accomplishing as an ESO Key-Project over about 30 square degrees in a region near the Sout…
astro-ph1994★ 53 cited
The contribution of AGNs to the X-ray background
A. Comastri, G. Setti, G. Zamorani +1
We report the results of a detailed analysis of the contribution of various classes of AGNs to the extragalactic X-ray background (XRB). The model is based on the unification schem…