@article{Weidmann:2185,
      author        = "Weidmann, W. A. and Gamen, R. and van Hoof, P. A. M. and
                       Zijlstra, A. and Minniti, D. and Volpe, M. G.",
      title         = "{Near-infrared photometry of Galactic planetary nebulae
                       with the VVV Survey}",
      year          = "2013",
}