@misc{indiciae1360ee80a362,
  title = {The peculiar extragalactic system NGC 6438.},
  author = {Burbidge, E. M. and Burbidge, G. R.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720033049},
  note = {Source identifier: 19720033049}
}