@misc{indiciae98e7c9239c84,
  title = {Periglacial sand dunes and eolian sand sheets; an annotated bibliography},
  author = {A.C. Niessen and E. A. Koster and J. P. Galloway},
  year = {1984},
  doi = {10.3133/ofr84167},
  url = {https://pubs.usgs.gov/publication/ofr84167},
  note = {Source identifier: ofr84167}
}