Veilleux S, Kim D-C, Rupke DSN, Peng CY, Tacconi LJ, Genzel R, Lutz D, Sturm E, Contursi A, Schweitzer M, et al. A deep Hubble Space Telescope H-band imaging survey of massive gas-rich mergers. II. The QUEST QSOs. The Astrophysical Journal. 2009;701:587.