@misc{indiciaef8377a38b512,
  title = {S matrix as geometric phase factor.},
  author = {RG Newton},
  year = {1994},
  doi = {10.1103/physrevlett.72.954},
  url = {https://pubmed.ncbi.nlm.nih.gov/10056580/},
  note = {Source identifier: 10056580}
}