JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, vol. 37, no. 20, page. 4119 - 4126, 2004-10-28
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, vol. 205, page. 334 - 336, 2003-05
LASER PHYSICS, vol. 16, no. 2, page. 322 - 324, 2006-02