Rietveld refinement and solid state NMR study of Nd-, Sm-, Gd-, and Dy-containing Y zeolites - Nery, Geraldo; Giotto, Marcus Vinicius; Mascarenhas, Yvonne Primerano; Cardoso, Dilson; Zotin, Fatima Maria Zanon; Sousa-Aguiar, Eduardo Falabella (Microporous and Mesoporous Materials, 2000)