@misc{indiciaea87bf77c2d16,
  title = {Epsilon Aurigae in eclipse. II - Optical absorption lines from the secondary},
  author = {Lambert, D. L. and Sawyer, S. R.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19860054477},
  note = {Source identifier: 19860054477}
}