@article{Mecina:5040,
      author        = " Mecina, M. and  Aringer, B. and  Nowotny, W. and 
                       Groenewegen, M.A.T. and  Kerschbaum, F. and  Brunner, M.
                       and  Gail, H.-P.",
      title         = "{Extended view on the dust shells around two carbon
                       stars}",
      year          = "2020",
}