@misc{indiciae2811f3de711c,
  title = {Quantum cosmology with a positive-definite action.},
  author = {GT Horowitz},
  year = {1985},
  doi = {10.1103/physrevd.31.1169},
  url = {https://pubmed.ncbi.nlm.nih.gov/9955817/},
  note = {Source identifier: 9955817}
}