CHEMPHYSCHEM, vol. 10, no. 8, page. 1270 - 1273, 2009-06-02
PHYSICAL REVIEW B, vol. 76, no. 24, 2007-12
PHYSICAL REVIEW B, vol. 72, no. 3, 2005-07
SURFACE SCIENCE, vol. 337, no. 1-2, page. L789 - L794, 1995-08-20