SEARCH Articles Figures Tables Activities of Alkaline Earth-Modified Zeolites Alkaline earth hydrogen ¥ zeolites Alkylation catalysts rare earth exchanged zeolites Calcined rare-earth-exchanged zeolite J.M. Lopez Nieto, The use of rare-earth-containing zeolite catalysts Rare earth metal exchanged Y-type zeolite Rare-earth-containing zeolites Rare-earth-exchanged Y zeolite Rare-earth-exchanged zeolite Type X Zeolite with Alkaline Earth Ions Zeolite catalysts rare earth Zeolite rare earth Zeolite rare earth level effects Zeolites and Mesoporous Aluminosilicates Modified with Alkaline Earth Metal Oxides Zeolites modification with rare earths Zeolites rare-earth-doped