@misc{indiciae2f25659ebfb3,
  title = {Direct core materials.},
  author = {Paul H Wilson and Nigel L Fisher and David W Bartlett},
  year = {2003},
  doi = {10.12968/denu.2003.30.7.362},
  url = {https://pubmed.ncbi.nlm.nih.gov/14558201/},
  note = {Source identifier: 14558201}
}