Accurate laboratory rest frequencies of vibrationally excited CO up to v = 3 and up to 2 THzR. Gendriesch, F. Lewen, G. Klapper, K. M. Menten, G. Winnewisser, J. A. Coxon and H. S. P. MüllerA&A, 497 3 (2009) 927-930DOI: https://doi.org/10.1051/0004-6361/200811539
