@misc{indiciaea19063302ccd,
  title = {To develop a spectral analyzer for physiological and medical use},
  author = {Iberall, A. and Cardon, S. and Weinberg, M. and Schindler, A.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19720004396},
  note = {Source identifier: 19720004396}
}