@misc{indiciae4da5b0540e5c,
  title = {Abundances in the Planetary Nebula IC 5217},
  author = {Hyung, Siek and Aller, Lawrence H. and Feibelman, Walter A. and Lee, Woo-Baik and Fisher, Richard R.},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20010071244},
  note = {Source identifier: 20010071244}
}