@misc{indiciae15b34531e440,
  title = {The machine-readable Durchmusterungen - Classical catalogs in contemporary form},
  author = {Warren, Wayne H., Jr. and Ochsenbein, Francois and Rappaport, Barry N.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910070148},
  note = {Source identifier: 19910070148}
}