@misc{indiciaeb0c4665ff94e,
  title = {Wilson loops in four-dimensional quantum gravity.},
  author = {G Modanese},
  year = {1994},
  doi = {10.1103/physrevd.49.6534},
  url = {https://pubmed.ncbi.nlm.nih.gov/10016978/},
  note = {Source identifier: 10016978}
}