@misc{indiciae8550c4a11f11,
  title = {Directional bottom roughness associated with waves, currents, and ripples},
  author = {Christopher R. Sherwood},
  year = {2012},
  doi = {10.1142/9789814355537\_0081},
  url = {https://pubs.usgs.gov/publication/70190320},
  note = {Source identifier: 70190320}
}