@misc{indiciaee6e9bdadb9f2,
  title = {RW Per - Nodal motion changes its amplitude by 1.4 mag},
  author = {Schaefer, Bradley E. and Fried, Robert E.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910035646},
  note = {Source identifier: 19910035646}
}