author        = "De Beck, E. and Lombaert, R. and Agúndez, M. and Daniel,
                       F. and Decin, L. and Cernicharo, J. and Müller, H. S. P.
                       and Min, M. and Royer, P. and Vandenbussche, B. and de
                       Koter, A. and Waters, L. B. F. M. and Groenewegen, M. A. T.
                       and Barlow, M. J. and Guélin, M. and Kahane, C. and
                       Pearson, J. C. and Encrenaz, P. and Szczerba, R. and
                       Schmidt, M. R.",
      title         = "{On the physical structure of IRC +10216. Ground-based and
                       Herschel observations of CO and C2H}",
      year          = "2012",