@misc{indiciae60acf8a1c367,
  title = {Crises points and problems of identity.},
  author = {H H Wolff},
  year = {1972},
  doi = {10.1016/0022-3999(72)90003-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/5080871/},
  note = {Source identifier: 5080871}
}