@article{Vlemmings:2177,
      author        = "Vlemmings, W. H. T. and Maercker, M. and Lindqvist, M. and
                       Mohamed, S. and Olofsson, H. and Ramstedt, S. and Brunner,
                       M. and Groenewegen, M. A. T. and Kerschbaum, F. and
                       Wittkowski, M.",
      title         = "{ALMA observations of the variable 12CO/13CO ratio around
                       the asymptotic giant branch star R Sculptoris}",
      year          = "2013",
}