TY - RPRT TI - HST observations of 3C 66B - A double-stranded optical jet AU - Macchetto, F. AU - Albrecht, R. AU - Barbieri, C. AU - Blades, J. C. AU - Boksenberg, A. PY - 1991 UR - https://ntrs.nasa.gov/citations/19910054020 ID - 19910054020 ER -