@misc{indiciaef79772382212,
  title = {A graph for calculating amplitude ratios.},
  author = {J Wartak},
  year = {1978},
  doi = {10.1016/s0022-0736(78)80037-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/621463/},
  note = {Source identifier: 621463}
}