@misc{indiciae7d6dc28857f7,
  title = {Topology, decoherence, and semiclassical gravity.},
  author = {C Kiefer},
  year = {1993},
  doi = {10.1103/physrevd.47.5414},
  url = {https://pubmed.ncbi.nlm.nih.gov/10015565/},
  note = {Source identifier: 10015565}
}