TY  - RPRT
TI  - Clinoptilolite-rich rocks in agricultural use for soil amendment and potential nitrogen-pollution mitigation
AU  - G. A. Desborough
PY  - 1996
DO  - 10.3133/ofr9665
UR  - https://pubs.usgs.gov/publication/ofr9665
ID  - ofr9665
ER  -