The HST survey of the B2 sample of radio galaxies: Detection of two optical jets P. Parma, H. R. de Ruiter, A. Capetti, R. Fanti, R. Morganti, M. Bondi, R. A. Laing and J. R. Canvin A&A, 397 1 (2003) 127-131 Published online: 11 December 2002 DOI: 10.1051/0004-6361:20021476