@misc{indiciae1396e15f82ce,
  title = {Pure phase mass matrices.},
  author = {PM Fishbane and P Kaus},
  year = {1994},
  doi = {10.1103/physrevd.49.3612},
  url = {https://pubmed.ncbi.nlm.nih.gov/10017355/},
  note = {Source identifier: 10017355}
}