CARBON, vol. 49, no. 4, page. 1108 - 1117, 2011-04
MICROPOROUS AND MESOPOROUS MATERIALS, vol. 60, no. 1-3, page. 237 - 249, 2003-06-19
CHEMISTRY OF MATERIALS, vol. 17, no. 3, page. 477 - 486, 2005-02-08