@article{Maciel:2011UO,
  author = "Maciel, Walter  and  Costa, Roberto  and  Idiart, Thais",
  title = "{Nucleosynthesis and chemical evolution of intermediate mass stars: results from planetary nebulae}",
  doi = "10.22323/1.100.0013",
  journal = "PoS",
  year = 2011,
  volume = "NIC XI",
  pages = "013"
}