@misc{indiciae9098903c93eb,
  title = {Three new BL Lacertae objects in the Palomar-Green survey},
  author = {Fleming, Thomas A. and Green, Richard F. and Jannuzi, Buell T. and Liebert, James and Smith, Paul S. and Fink, Henner},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19950044743},
  note = {Source identifier: 19950044743}
}