TY - JOUR TI - Extension of the ICRF for selected areas down to the 15th magnitude PY - 2001 AU - Camargo, J I B AU - Teixeira, R AU - Benevides-Soares, Paulo AU - Ducourant, C T2 - Astronomy and Astrophysics SN - 0004-6361 DO - 10.1051/0004-6361:20010843 UR - https://doi.org/10.1051/0004-6361:20010843 PP - Les Ulis VL - 375 SP - 308-318 ER -