@inbook{BUT51064,
  author="Jiří {Jan}",
  title="Formalized Restoration of Ultrasonic Tomograms",
  booktitle="IEEE 14th International Conference on Biomedical Engineering",
  year="1992",
  publisher="IEEE Service center",
  address="Paris",
  series="5",
  pages="2",
  isbn="0-7803-0785-2"
}