Molecules at z = 0.89 - A 4-mm-rest-frame absorption-line survey toward PKS 1830−211 S. Muller, A. Beelen, M. Guélin, S. Aalto, J. H. Black, F. Combes, S. J. Curran, P. Theule and S. N. Longmore A&A, 535 (2011) A103 Published online: 18 November 2011 DOI: 10.1051/0004-6361/201117096