@misc{indiciae202cabba58c7,
  title = {New axionic instantons in quantum gravity.},
  author = {RC Myers},
  year = {1988},
  doi = {10.1103/physrevd.38.1327},
  url = {https://pubmed.ncbi.nlm.nih.gov/9959274/},
  note = {Source identifier: 9959274}
}