@misc{indiciae4a936f771dae,
  title = {Further evidence for a circumstellar disk around PV Cephei},
  author = {Van Citters, G. W., Jr. and Smith, R. G.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900023391},
  note = {Source identifier: 19900023391}
}