@misc{indiciaedadf90ceb66c,
  title = {Stech mass matrix with fourth-generation quarks.},
  author = {M Tanimoto and A Takatsu},
  year = {1986},
  doi = {10.1103/physrevd.34.1474},
  url = {https://pubmed.ncbi.nlm.nih.gov/9957308/},
  note = {Source identifier: 9957308}
}