Molecular emission from GG Carinae’s circumbinary disk M. Kraus, M. E. Oksala, D. H. Nickeler, M. F. Muratore, M. Borges Fernandes, A. Aret, L. S. Cidale and W. J. de Wit A&A, 549 (2013) A28 Published online: 11 December 2012 DOI: 10.1051/0004-6361/201220442