@misc{indiciae365c86e36150,
  title = {Ultrasonic techniques in ceramic research and testing.},
  author = {W R Davis and R Brough},
  year = {1972},
  doi = {10.1016/0041-624x(72)90008-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5027976/},
  note = {Source identifier: 5027976}
}