Investigation on the southern part of the high density astrometric catalogs USNO B1.0, 2MASS and UCAC2D. N. da Silva Neto, A. H. Andrei, M. Assafin and R. Vieira MartinsA&A, 429 2 (2005) 739-745DOI: https://doi.org/10.1051/0004-6361:20041477
