@misc{indiciae391915cd74ba,
  title = {Polyhedra in loop quantum gravity},
  author = {Bianchi, Eugenio and Speziale, Simone and Dona, Pietro},
  year = {2011},
  doi = {10.1103/physrevd.83.044035},
  url = {https://www.osti.gov/biblio/21504997},
  note = {Source identifier: 21504997}
}