Shigeru, Shindo ; Akira, Ishii Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms.
33
(1988)
1-4
- p.
392-395
,
1988
Shindo, Shigeru Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms.
48
(1990)
1-4
- p.
14-17
,
1990