@misc{indiciae1342233c0722,
  title = {Nitrogen-loading capacities of some clinoptilolite-rich rocks},
  author = {G. A. Desborough and J.G. Crock},
  year = {1996},
  doi = {10.3133/ofr96661},
  url = {https://pubs.usgs.gov/publication/ofr96661},
  note = {Source identifier: ofr96661}
}