@misc{indiciae714bdd699791,
  title = {The CfA redshift survey - Data for the NGP + 30 zone},
  author = {Huchra, John P. and Geller, Margaret J. and De Lapparent, Valerie and Corwin, Harold G., Jr.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900041508},
  note = {Source identifier: 19900041508}
}