JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, vol. 40, no. 5B, page. L528 - L531, 2001-05-15
PHYSICS OF PLASMAS, vol. 8, no. 3, page. 1070 - 1080, 2001-03
IEEE TRANSACTIONS ON PLASMA SCIENCE, vol. 27, no. 5, page. 1366 - 1371, 1999-10
IEEE TRANSACTIONS ON PLASMA SCIENCE, vol. 27, no. 1, page. 110 - 111, 1999-02
IEEE TRANSACTIONS ON PLASMA SCIENCE, vol. 26, no. 6, page. 1635 - 1644, 1998-12