@misc{indiciae6d4f957f4ac4,
  title = {Multiple frequency diagrams as table entries.},
  author = {P Stavem},
  year = {1970},
  doi = {10.1016/s0140-6736(70)92670-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4193385/},
  note = {Source identifier: 4193385}
}