@misc{indiciaea700dc3a2549,
  title = {Is inflation natural?},
  author = {LG Jensen and JA Stein-Schabes},
  year = {1987},
  doi = {10.1103/physrevd.35.1146},
  url = {https://pubmed.ncbi.nlm.nih.gov/9957769/},
  note = {Source identifier: 9957769}
}