@misc{indiciae768eed70e8bb,
  title = {Equivalent Hamiltonians with additional discrete states.},
  author = {CR Chinn and RM Thaler},
  year = {1991},
  doi = {10.1103/physrevc.43.254},
  url = {https://pubmed.ncbi.nlm.nih.gov/9967066/},
  note = {Source identifier: 9967066}
}