@misc{indiciae1c6f7f8d3fc9,
  title = {Discharge-measurement system using an acoustic Doppler current profiler with applications to large rivers and estuaries},
  author = {Michael R. Simpson and R.N. Oltmann},
  year = {1992},
  doi = {10.3133/ofr91487},
  url = {https://pubs.usgs.gov/publication/ofr91487},
  note = {Source identifier: ofr91487}
}