@article{Zijlstra:2034,
      author        = "Zijlstra, A. A. and  Gesicki, K. and  Walsh, J. R. and 
                       Péquignot, D. and  van Hoof, P. A. M. and  Minniti, D.",
      title         = "{The planetary nebula population of the Sagittarius dwarf
                       spheroidal galaxy}",
      year          = "2006",
}