@misc{indiciae658fa6b348ec,
  title = {String-generated gravity models.},
  author = {DG Boulware and S Deser},
  year = {1985},
  doi = {10.1103/physrevlett.55.2656},
  url = {https://pubmed.ncbi.nlm.nih.gov/10032204/},
  note = {Source identifier: 10032204}
}