@misc{indiciaefef3f1606531,
  title = {Infrared spectroscopic examination of the interaction of urea with the naturally occurring zeolite clinoptilolite},
  author = {D.M. Byler and W.V. Gerasimowicz and V.M. Stockette and D. D. Eberl},
  year = {1991},
  doi = {10.1016/0026-265x(91)90090-c},
  url = {https://pubs.usgs.gov/publication/70016499},
  note = {Source identifier: 70016499}
}