TY - JOUR T1 - Spectroscopy of the near-nuclear regions of Cygnus A: Estimating the mass of the supermassive black hole JO - Monthly Notices of the Royal Astronomical Society PY - 2003/01/01 AU - Tadhunter C AU - Marconi A AU - Axon D AU - Wills K AU - Robinson TG AU - Jackson N ED - DO - DOI: 10.1046/j.1365-8711.2003.06588.x VL - 342 IS - 3 SP - 861 EP - 875 Y2 - 2025/07/05 ER -