@misc{indiciaed3776dbc1b85,
  title = {Continuing changes in the peculiar nebulous object PV Cephei},
  author = {Cohen, M. and Kuhi, L. V. and Spinrad, H. and Harlan, E. A.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810050485},
  note = {Source identifier: 19810050485}
}