@misc{indiciaecfc0856092b5,
  title = {Model-based optimization of ultrasonic transducers.},
  author = {Erkki Heikkola and Mika Laitinen},
  year = {2005},
  doi = {10.1016/j.ultsonch.2004.05.009},
  url = {https://pubmed.ncbi.nlm.nih.gov/15474952/},
  note = {Source identifier: 15474952}
}