The molecular gas content of ULIRG type 2 quasars at z < 1 M. I. Rodríguez, M. Villar-Martín, B. Emonts, A. Humphrey, G. Drouart, S. García Burillo and M. Pérez Torres A&A, 565 (2014) A19 Published online: 25 April 2014 DOI: 10.1051/0004-6361/201323004