@misc{indiciae4f0f6c134449,
  title = {A second supernova inside Puppis A?},
  author = {Winkler, P. F. and Kirschner, R. P. and Hughes, J. P. and Heathcote, S. R.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890039163},
  note = {Source identifier: 19890039163}
}