@misc{indiciaedd2a2c3e0934,
  title = {The complexity of complexity.},
  author = {S Kreitler and E Zigler and H Kreitler},
  year = {1974},
  doi = {10.1159/000271333},
  url = {https://pubmed.ncbi.nlm.nih.gov/4833151/},
  note = {Source identifier: 4833151}
}