@article{Hajduk:2568,
      author        = "Hajduk, M. and  Gesicki, K. and  van Hoof, P. A. M. and 
                       Lopez, J. A. and  Zijlstra, A. A.",
      title         = "{Studying the Old Planetary Nebula of V4334 Sgr}",
      year          = "2008",
}