Electronic Resource
Newton, G.W.A.
;
Aitken, T.W.
;
Charlesworth, T.R.
;
[et al.]
Cunningham, R.A.
;
Drumm, P.V.
;
Lilley, J.S.
;
Smithson, M.J.
;
Barker, J.
;
Rehman, F.
;
Day, J.P.
Amsterdam
:
Elsevier
Nuclear Inst. and Methods in Physics Research, B
52 (1990), S. 290-293