@misc{indiciae0f00e55a9cca,
  title = {Phonocardiographic preprocessor Final technical report, 22 Jun. - 28 Aug. 1970},
  author = {Hooshmand, M. A. and Martino, R.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710006373},
  note = {Source identifier: 19710006373}
}