Electronic Resource
Fiorucci, G.
;
Bourquin, J.-P.
;
Bovet, D.
;
[et al.]
Bovet, E.
;
Egger, J.-P.
;
Heche, C.
;
Nussbaum, C.
;
Schenker, D.
;
Varidel, D.
;
Vuilleumier, J.-M.
Amsterdam
:
Elsevier
Nuclear Instruments and Methods in Physics Research Section A:
292 (1990), S. 141-146