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

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astro-ph1993

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 40 square degrees in a region near the Sou…