Electronic Resource
Bond, P.
;
Duckworth, D.
;
Elliman, R.G.
;
[et al.]
Henshaw, R.
;
Johnson, S.T.
;
Ridgway, M.C.
;
Thornton, R.P.
;
Williams, J.S.
;
Chivers, D.J.
;
Byers, P.
Amsterdam
:
Elsevier
Nuclear Inst. and Methods in Physics Research, B
55 (1991), S. 511-516