Lobe advance velocities in the extragalactic compact symmetric object 4C 31.04M. Giroletti, G. Giovannini, G. B. Taylor, J. E. Conway, L. Lara and T. VenturiA&A, 399 3 (2003) 889-897DOI: https://doi.org/10.1051/0004-6361:20021821
