@misc{indiciae1e46ae925d57,
  title = {Ultrasonic device localization: an evaluative approach.},
  author = {M A Abou El-ghar and M A Hussein and A El-halafawy},
  year = {1981},
  url = {https://pubmed.ncbi.nlm.nih.gov/12278589/},
  note = {Source identifier: 12278589}
}