JOURNAL OF APPLIED PHYSICS, vol. 98, no. 11, 2005-12-01
JOURNAL OF APPLIED PHYSICS, vol. 98, no. 2, 2005-07-15
CHEMICAL PHYSICS LETTERS, vol. 406, no. 4-6, page. 436 - 440, 2005-05-02
CHEMICAL PHYSICS LETTERS, vol. 403, no. 1-3, page. 29 - 34, 2005-02-14