Electronic Resource
Servidori, M.
;
Cembali, F.
;
Fabbri, R.
;
[et al.]
Gabilli, E.
;
Negrini, P.
;
Solmi, S.
;
Zaumseil, P.
;
Winter, U.
;
Anderle, M.
;
Canteri, R.
Amsterdam
:
Elsevier
Nuclear Inst. and Methods in Physics Research, B
39 (1989), S. 347-351