@misc{indiciae7be2d851b81b,
  title = {Bounds on intergalactic compact objects from observations of compact radio sources},
  author = {Kassiola, Aggeliki and Kovner, Israel and Blandford, Roger D.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920030028},
  note = {Source identifier: 19920030028}
}