Electronic Resource
White, A.E.
;
Short, K.T.
;
Garno, J.P.
;
[et al.]
Valles, J.M.
;
Dynes, R.C.
;
Schneemeyer, L.F.
;
Waszczak, J.
;
Levi, A.F.J.
;
Baldwin, K.W.
;
Anzlowar, M.
Amsterdam
:
Elsevier
Nuclear Inst. and Methods in Physics Research, B
37-38 (1989), S. 923-929