@misc{indiciae0b9a9da49e78,
  title = {[Friedenwald's rigidity coefficient].},
  author = {H GOLDMANN and T SCHMIDT},
  doi = {10.1159/000303121},
  url = {https://pubmed.ncbi.nlm.nih.gov/13441260/},
  note = {Source identifier: 13441260}
}