@misc{indiciae2a69e76b3213,
  title = {Simple method for creating a casting orientation mark on ringless investment molds.},
  author = {S E Keith and W C Martin},
  year = {1999},
  doi = {10.1016/s0022-3913(99)70258-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/9922443/},
  note = {Source identifier: 9922443}
}