@misc{indiciae7f87af683da1,
  title = {Cu, Zn, and Pb exchange capacities of clinoptilolite-rich rocks in low Ca and low K acidic water},
  author = {G. A. Desborough and J.G. Crock},
  year = {1997},
  doi = {10.3133/ofr97277},
  url = {https://pubs.usgs.gov/publication/ofr97277},
  note = {Source identifier: ofr97277}
}