1. Promatores de engorde no nutritivos;Hogge;Ynd. Avie,1982
2. Atlas of Zeolite Structure Types;Meier,1996
3. Extraction of heavy metals and ammonium from waters by unsaturated fatty acids and their soaps;Šiška;Hydrometallurgy,2005
4. Some possibilities of catalytic and noncatalytic utilization of zeolites;Mravec;Chem. Pap.,2005
5. Utilization of natural zeolite in Portland pozzolan cement of increased sulfate resistance;Janotka,2000