@misc{indiciae4842a9a18f85,
  title = {A forward model and conjugate gradient inversion technique for low-frequency ultrasonic imaging.},
  author = {Koen W A van Dongen and William M D Wright},
  year = {2006},
  doi = {10.1121/1.2336752},
  url = {https://pubmed.ncbi.nlm.nih.gov/17069306/},
  note = {Source identifier: 17069306}
}