@misc{indiciae9e416481ab8a,
  title = {Comparison: US P-61 and Delft sediment samplers},
  author = {Joseph P. Beverage and David T. Williams},
  year = {1989},
  doi = {10.1061/(asce)0733-9429(1989)115:12(1702)},
  url = {https://pubs.usgs.gov/publication/70015796},
  note = {Source identifier: 70015796}
}