@misc{indiciae894240cc47ef,
  title = {Conformal rotation in perturbative gravity.},
  author = {K Schleich},
  year = {1987},
  doi = {10.1103/physrevd.36.2342},
  url = {https://pubmed.ncbi.nlm.nih.gov/9958442/},
  note = {Source identifier: 9958442}
}