@misc{indiciaef9e50a74126a,
  title = {Bump Cepheids - The mass anomaly as an opacity effect},
  author = {Sastri, V. K. and Stothers, R.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19790029695},
  note = {Source identifier: 19790029695}
}