@misc{indiciaec789fcea60c3,
  title = {To know chalk from cheese.},
  author = {M B Izzat and A P Yim},
  doi = {10.1111/j.1540-8191.1997.tb00151.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/9635275/},
  note = {Source identifier: 9635275}
}