@misc{indiciae3b86772e6bd1,
  title = {The Unusual S Star Binary HD 191589},
  author = {Ake, Thomas B. and Johnson, Hollis R. and Wahlgren, Glenn M. and Jorissen, Alain},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/19970011566},
  note = {Source identifier: 19970011566}
}