@misc{indiciae24d2031f1767,
  title = {The Maltese cross processor: speckle reduction for circular transducers.},
  author = {S W Smith and O T von Ramm},
  year = {1988},
  doi = {10.1177/016173468801000301},
  url = {https://pubmed.ncbi.nlm.nih.gov/3062870/},
  note = {Source identifier: 3062870}
}