@misc{indiciaea8148641aa17,
  title = {Apparatus and method for processing Korotkov sounds},
  author = {Golden, D. P., Jr. and Hoffler, G. W. and Wolthuis, R. A.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19740018513},
  note = {Source identifier: 19740018513}
}