Electronic Resource
Becker, J.A.
;
Henry, E.A.
;
Yates, S.W.
;
[et al.]
Wang, T.F.
;
Kuhnert, A.
;
Brinkman, M.J.
;
Cizewski, J.A.
;
Deleplanque, M.A.
;
Azaiez, F.
;
Stephens, F.S.
;
Draper, J.E.
;
Diamond, R.M.
;
Korten, W.
Amsterdam
:
Elsevier
Nuclear Inst. and Methods in Physics Research, B
56-57 (1991), S. 500-503