@misc{indiciae091530b13767,
  title = {BAT99-9 – a WC4 Wolf−Rayet star with nitrogen emission: evidence for binary evolution?},
  author = {D John Hillier and Erin Aadland and Philip Massey and Nidia Morrell},
  year = {2021},
  url = {https://ntrs.nasa.gov/citations/10531893247822},
  note = {Source identifier: 10531893247822}
}