@misc{indiciaebd5aed1a69af,
  title = {Seven poor clusters of galaxies},
  author = {Beers, T. C. and Geller, M. J. and Huchra, J. P. and Latham, D. W. and Davis, R. J.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19840064391},
  note = {Source identifier: 19840064391}
}