Extension of the ICRF for selected areas down to the 16th magnitude – IIJ. I. B. Camargo, C. Ducourant, R. Teixeira, J.-F. Le Campion, M. Rapaport and P. Benevides-SoaresA&A, 409 1 (2003) 361-368DOI: https://doi.org/10.1051/0004-6361:20031063
