@misc{indiciae1af54cfe9c4f,
  title = {Variation in the reference Shields stress for bed load transport in gravel‐bed streams and rivers},
  author = {Erich R. Mueller and John Pitlick and Jonathan M. Nelson},
  year = {2005},
  doi = {10.1029/2004wr003692},
  url = {https://pubs.usgs.gov/publication/70029049},
  note = {Source identifier: 70029049}
}