@misc{indiciae70eb83a2c1aa,
  title = {Propagation-independent fields.},
  author = {P Gori and M Pappalardo},
  year = {2002},
  doi = {10.1016/s0041-624x(02)00108-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/12159949/},
  note = {Source identifier: 12159949}
}