@misc{indiciae9d25306031b9,
  title = {Ultimate limits in ultrasonic imaging resolution.},
  author = {R A Harris and D H Follett and M Halliwell and P N Wells},
  year = {1991},
  doi = {10.1016/0301-5629(91)90025-r},
  url = {https://pubmed.ncbi.nlm.nih.gov/1962357/},
  note = {Source identifier: 1962357}
}