@misc{indiciae35ca18ed6877,
  title = {[You should know these 4 types!].},
  author = {Judith Neumaier},
  year = {2006},
  doi = {10.1007/bf03364700},
  url = {https://pubmed.ncbi.nlm.nih.gov/16937864/},
  note = {Source identifier: 16937864}
}