The supermassive black hole in Centaurus A: a benchmark for gas kinematical measurementsA. Marconi, G. Pastorini, F. Pacini, D. J. Axon, A. Capetti, D. Macchetto, A. M. Koekemoer and E. J. SchreierA&A, 448 3 (2006) 921-953DOI: https://doi.org/10.1051/0004-6361:20053853