On the calibration of the COBE/IRAS dust emission reddening maps C. M. Dutra, A. V. Ahumada, J. J. Clariá, E. Bica and B. Barbuy A&A, 408 1 (2003) 287-295 Published online: 17 November 2003 DOI: 10.1051/0004-6361:20030980