Multicolor photometry of ten Seyfert 1 galaxies N. V. Boris, C. J. Donzelli, M. G. Pastoriza, A. Rodriguez-Ardila and D. L. Ferreiro A&A, 384 3 (2002) 780-792 Published online: 15 March 2002 DOI: 10.1051/0004-6361:20020066