@misc{indiciaebfa0e7ec3e81,
  title = {Black hole normal modes - A semianalytic approach},
  author = {Schutz, B. F. and Will, C. M.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850052499},
  note = {Source identifier: 19850052499}
}