Authors: Zamorani, G Mignoli, M Hasinger, G Burg, R Giacconi, R Schmidt, M Trumper, J Ciliegi, P Gruppioni, C Marano, B

Citation: G. Zamorani et al., The ROSAT deep survey - V. X-ray sources and optical identifications in the Marano field, ASTRON ASTR, 346(3), 1999, pp. 731-752