JOURNAL OF PHYSICAL CHEMISTRY, vol. 100, no. 12, page. 4996 - 5003, 1996-03-21
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, vol. 9, no. 1, page. 83 - 88, 2003-01
MICROPOROUS AND MESOPOROUS MATERIALS, vol. 7, no. 1, page. 35 - 40, 1996-08