CHEMPHYSCHEM, vol. 10, no. 2, page. 334 - 336, 2009-02-02
PHYSICAL REVIEW B, vol. 75, no. 12, page. 125305 - 125305, 2007-03
PHYSICAL REVIEW B, vol. 72, no. 15, page. 35310 - 35311, 2005-10
JOURNAL OF CHEMICAL PHYSICS, vol. 112, no. 2, page. 723 - 730, 2000-01-08