@misc{indiciae8e1aaafcd893,
  title = {Shear stress and bed roughness estimates for combined wave and current flows over a rippled bed},
  author = {D.E. Drake and D.A. Cacchione and W.D. Grant},
  year = {2012},
  doi = {10.1029/91jc02764},
  url = {https://pubs.usgs.gov/publication/70209256},
  note = {Source identifier: 70209256}
}