1. I. Yamada, in: Proceedings of the 14th Symposium on Ion Sources and Ion-Assisted Technology, Tokyo, The Ion Engineering Society of Japan, Tokyo, 1991, p. 227
2. Lateral Sputtering by Gas Cluster Ion Beams and its Applications to Atomic Level Surface Modification
3. N. Toyoda, Ph.D. Thesis, Kyoto University, 1999, p. 150
4. Smoothing of YBa2Cu3O7−δ films by ion cluster beam bombardment
5. A. Nishiyama, M. Adachi, N. Toyoda, N. Hagiwara, J. Matsuo, I. Yamada, in: Proc. Appl. of Accel. in Res. and Ind.’96, AIP Press, New York, 1999, p. 421