Electronic Resource
Den Hartog, P.K.
;
Benaroya, R.
;
Bogaty, J.M.
;
[et al.]
Bollinger, L.M.
;
Clifft, B.E.
;
Craig, S.L.
;
Henderson, D.
;
Markovich, P.
;
Phillips, D.
;
Munson, F.
;
Zinkann, G.
;
Tilbrook, I.
;
Nixon, J.M.
;
Shepard, K.W.
;
Pardo, R.C.
Amsterdam
:
Elsevier
Nuclear Inst. and Methods in Physics Research, B
40-41 (1989), S. 900-903