Q0957+561 revised: CO emission from a disk at z = 1.4 M. Krips, R. Neri, A. Eckart, D. Downes, J. Martín-Pintado and P. Planesas A&A, 431 3 (2005) 879-886 Published online: 16 February 2005 DOI: 10.1051/0004-6361:20041541