HST images of B2 radio galaxies: A link between circum-nuclear dust and radio properties? H. R. de Ruiter, P. Parma, A. Capetti, R. Fanti and R. Morganti A&A, 396 3 (2002) 857-866 Published online: 05 December 2002 DOI: 10.1051/0004-6361:20021462