Far-infrared line spectra of seyfert galaxies from the Herschel-PACS spectrometer - Spinoglio, Luigi; Pereira-Santaella, Miguel; Dasyra, Kalliopi M; Calzoletti, Luca; Malkan, Matthew A; Tommasin, Silvia; Busquet, Gemma (The Astrophysical Journal, 2015)