@misc{1192606,
  author = {J A Swaffield},
  title = {Application of method of characteristics to model the transport of discrete solids in partially-filled pipe flow:},
  year = {1982},
  month = {1982-01-01 05:01:00},
  publisher = {Building Science Series, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.BSS.139},
  language = {en},
}