@misc{indiciae06a2cc0fcee1,
  title = {Universe creation from the third-quantized vacuum.},
  author = {M McGuigan},
  year = {1989},
  doi = {10.1103/physrevd.39.2229},
  url = {https://pubmed.ncbi.nlm.nih.gov/9959902/},
  note = {Source identifier: 9959902}
}