@misc{indiciae02774adb9dbf,
  title = {On becoming a confederation.},
  author = {E Michels},
  year = {1975},
  doi = {10.1093/ptj/55.10.1085},
  url = {https://pubmed.ncbi.nlm.nih.gov/1099583/},
  note = {Source identifier: 1099583}
}