@misc{indiciae918a6749e325,
  title = {Primordial bubbles from quadratic gravity.},
  author = {F Occhionero and L Amendola},
  year = {1994},
  doi = {10.1103/physrevd.50.4846},
  url = {https://pubmed.ncbi.nlm.nih.gov/10018136/},
  note = {Source identifier: 10018136}
}