Unknown
Colombi, S
;
Alexandrov, A
;
Alpat, B
;
[et al.]
Ambrosi, G
;
Argir, S
;
Arteche Diaz, R
;
Bartosik, N
;
Battistoni, G
;
Belcari, N
;
Bellinzona, E
;
Biondi, S
;
Bisogni, M G
;
Bruni, G
;
Carra, P
;
Cerello, P
;
Ciarrocchi, E
;
... and further 83
Institute of Physics