TY  - RPRT
TI  - Mineralogy, chemistry, gas adsorption, and NH4 exchange capacity for selected zeolitic tuffs from the Western United States
AU  - R.A. Sheppard
AU  - A. J. Gude
PY  - 1982
DO  - 10.3133/ofr82969
UR  - https://pubs.usgs.gov/publication/ofr82969
ID  - ofr82969
ER  -