@misc{indiciaedb2e618eff8d,
  title = {Angular cross-relations of Abell clusters in different distance classes},
  author = {Szalay, A. S. and Hollosi, J. and Toth, G.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890048905},
  note = {Source identifier: 19890048905}
}