Electronic Resource
Ozafran, M.J.
;
Vazquez, M.E.
;
Kreiner, A.J.
;
[et al.]
Debray, M.E.
;
Kesque, J.M.
;
Romo, A.S.M.A.
;
Pomar, C.
;
Somacal, H.
;
Davidson, J.
;
Davidson, M.
Amsterdam
:
Elsevier
Nuclear Inst. and Methods in Physics Research, B
74 (1993), S. 542-544