@misc{indiciaeee85eba7e3a7,
  title = {Wigner function and decoherence in quantum cosmology.},
  author = {S Habib and R Laflamme},
  year = {1990},
  doi = {10.1103/physrevd.42.4056},
  url = {https://pubmed.ncbi.nlm.nih.gov/10012816/},
  note = {Source identifier: 10012816}
}