@misc{indiciae59ecc57ff2c7,
  title = {Acoustic systems for the measurement of streamflow},
  author = {Antonius Laenen and Winchell Smith},
  year = {1982},
  doi = {10.3133/ofr82329},
  url = {https://pubs.usgs.gov/publication/ofr82329},
  note = {Source identifier: ofr82329}
}