TY - JOUR TI - Fourier-transform mid and far IR and 23Na MAS NMR analysis of framework vibrations and distribution of cations in alkali-exchanged Y-type zeolites T3 - Microchimica Acta AU - Hannus István CY - Springer PY - 1997 LA - No linguistic content SN - 0026-3672 UR - http://publicatio.bibl.u-szeged.hu/2412/1/mikrochimacta14%25281997%2529701.pdf ER -