Metwally, W.A. ; Gardner, R.P. ; Sood, A. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms.
263
(2007)
1
- p.
50-53
,
2007
Gardner, R.P. ; Metwally, W.A. ; Shehata, A. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms.
213
(2004)
- p.
357-363
,
2004