@misc{indiciae964cef8df0e2,
  title = {Expectation values in quantum cosmology.},
  author = {RD Jordan},
  year = {1987},
  doi = {10.1103/physrevd.36.3604},
  url = {https://pubmed.ncbi.nlm.nih.gov/9958145/},
  note = {Source identifier: 9958145}
}