Study of zeolite acidity by broad-line 1H NMR at 4K. Comparison with results of 1H HR-NMR (MAS) at ambient temperatureP Batamack, C Dorémieux-Morin and J FraissardJ. Chim. Phys., 89 (1992) 423-433DOI: https://doi.org/10.1051/jcp/1992890423
