@misc{indiciae01df10efe1b1,
  title = {Volume operator in discretized quantum gravity.},
  author = {R Loll},
  year = {1995},
  doi = {10.1103/physrevlett.75.3048},
  url = {https://pubmed.ncbi.nlm.nih.gov/10059482/},
  note = {Source identifier: 10059482}
}