Location of Al and Acid Strength of Brφnsted Acid in Beta Zeolite
SUN Xiu-Liang, HUANG Chong-Pin, ZHANG Jie, CHEN Biao-Hua
Acta Phys. -Chim. Sin. . 2009, (06): 1136 -1142 .  DOI: 10.3866/PKU.WHXB20090630