JOURNAL OF PHYSICAL CHEMISTRY C, vol. 119, no. 49, page. 27285 - 27290, 2015-12-10
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, vol. 37, no. 12, page. 9925 - 9932, 2012-06
PHYSICAL REVIEW LETTERS, vol. 76, no. 6, page. 956 - 959, 1996-02-05