1. Zeolites and associated authigenic silicate minerals in tuffaceous rocks of the Big Sandy Formation, Mohave Country, Arizona;Sheppard;U.S. Geol. Surv. Prof. Pap.,1973
2. Zeolites of the World;Tschernich,1992
3. Calcium zeolites in rhyolitic drill cores from Yellowstone National Park;Bargar,1995
4. Natural Zeolites;Gottardi,1985
5. The fibrous zeolite erionite; its occurrence, unit cell, and structure