@misc{indiciaeceb8f529b4ca,
  title = {Elemental composition of surficial materials from central Oklahoma},
  author = {E. L. Mosier and J. H. Bullock and D.L. Fey and K. R. Kennedy and D. M. McKown and R. B. Vaughn and E. P. Welsch},
  year = {1991},
  doi = {10.3133/ofr91442a},
  url = {https://pubs.usgs.gov/publication/ofr91442A},
  note = {Source identifier: ofr91442A}
}