@misc{indiciaebf2fabad1443,
  title = {Anomalous minima in Cen X-3.},
  author = {Margon, B. and Bowyer, S. and Lampton, M. and Cruddace, R.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720050496},
  note = {Source identifier: 19720050496}
}