@misc{indiciae38bd4693f1c7,
  title = {Path-integral quantum cosmology. I. Vacuum Bianchi type I.},
  author = {BK Berger and CN Vogeli},
  year = {1985},
  doi = {10.1103/physrevd.32.2477},
  url = {https://pubmed.ncbi.nlm.nih.gov/9956017/},
  note = {Source identifier: 9956017}
}