Forster, J.S. ; Phillips, D. ; Gulens, J.... Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms.
44
(1989)
2
- p.
195-198
,
1989
Forster, J.S. ; Phillips, D. ; Gulens, J... Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms.
28
(1987)
3
- p.
385-390
,
1987