APPLIED PHYSICS LETTERS, vol. 75, no. 16, page. 2377 - 2379, 1999-10-18
JOURNAL OF APPLIED PHYSICS, vol. 86, no. 8, page. 4613 - 4618, 1999-10-15
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, vol. 467, page. 1294 - 1300, 2001-07-21
APPLIED PHYSICS LETTERS, vol. 81, no. 21, page. 4076 - 4078, 2002-11-18
SURFACE REVIEW AND LETTERS, vol. 9, no. 1, page. 567 - 570, 2002-02
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, vol. 437, no. 2-3, page. 516 - 520, 1999-11-21
SURFACE SCIENCE, vol. 480, no. 3, page. 188 - 195, 2001-06-01