Unknown
Gnesi, I
;
Angelov, N
;
Artoni, M
;
[et al.]
Baginyan, S
;
Balestra, F
;
Batusov, Yu
;
Batyuk, P
;
Belolaptikov, I
;
Bianconi, A
;
Blokhintseva, T
;
Chiosso, M
;
Colantoni, M L
;
Corradini, M
;
Demyanov, A
;
Drozdov, V
;
Frolov, V
;
... and further 22
Institute of Physics