Electronic Resource
Terrasi, F.
;
Campajola, L.
;
Brondi, A.
;
[et al.]
Cipriano, M.
;
D'Onofrio, A.
;
Fioretto, E.
;
Romano, M.
;
Azzi, C.
;
Tuniz, C.
;
Bella, F.
Amsterdam
:
Elsevier
Nuclear Inst. and Methods in Physics Research, B
52 (1990), S. 259-262