@misc{indiciaead0369884be7,
  title = {Extended loop representation of quantum gravity.},
  author = {Di Bartolo C and R Gambini and J Griego},
  year = {1995},
  doi = {10.1103/physrevd.51.502},
  url = {https://pubmed.ncbi.nlm.nih.gov/10018503/},
  note = {Source identifier: 10018503}
}