@misc{indiciaeb1358f787598,
  title = {Calcium quarks.},
  author = {Ernst Niggli and Marcel Egger},
  year = {2002},
  doi = {10.2741/a840},
  url = {https://pubmed.ncbi.nlm.nih.gov/11991844/},
  note = {Source identifier: 11991844}
}