The SAURON project - XVI. On the sources of ionization for the gas in elliptical and lenticular galaxies (Monthly Notices of the Royal Astronomical Society, 2010)

(untitled) - Sarzi, M; Shields, J; Schawinski, K; Jeong, H; Shapiro, K; Bacon, R; Bureau, M; Cappellari, M; Davies, R; de Zeeuw, P; Emsellem, E; Falcon-Barroso, J; et al.