@misc{indiciaeccef19f7b558,
  title = {Hot subdwarfs in detached binary systems and thick-disk cataclysmic variables from the Palomar-Green survey},
  author = {Ferguson, D. H. and Green, R. F. and Liebert, J.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19850041283},
  note = {Source identifier: 19850041283}
}