@misc{indiciaecc62c911065f,
  title = {Apsidal rotation in the eclipsing binary AG Persei},
  author = {Koch, Robert H. and Woodward, Edith J.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870045444},
  note = {Source identifier: 19870045444}
}