TY - JOUR T1 - Optical emission-line properties of narrow-line Seyfert 1 galaxies and comparison active galactic nuclei JO - Monthly Notices of the Royal Astronomical Society PY - 2008/03/21 AU - Mullaney JR AU - Ward MJ ED - DO - DOI: 10.1111/j.1365-2966.2007.12777.x PB - Oxford University Press (OUP) VL - 385 IS - 1 SP - 53 EP - 74 Y2 - 2024/12/23 ER -