@misc{indiciae2d0e86531517,
  title = {River channel bars and dunes - Theory of kinematic waves},
  author = {Walter Basil Langbein and Luna Bergere Leopold},
  year = {1968},
  doi = {10.3133/pp422l},
  url = {https://pubs.usgs.gov/publication/pp422L},
  note = {Source identifier: pp422L}
}