@misc{indiciaea475760ab0fc,
  title = {Technegas: particle size and distribution.},
  author = {W M Burch and M M Boyd and D E Crellin},
  year = {1994},
  doi = {10.1007/bf00947975},
  url = {https://pubmed.ncbi.nlm.nih.gov/8005162/},
  note = {Source identifier: 8005162}
}