Unknown
Adamovich, M
;
Alexandrov, Yu
;
Bolta, J
;
[et al.]
Bravo, L
;
Caporiacco, G. di
;
Cartacci, A
;
Castillo, V
;
Chernyavsky, M
;
Conti, A
;
Dagliana, M
;
Dameri, M
;
Diambrini-Palazzi, G
;
Forino, A
;
Garcia, J
;
Gerassimov, S
;
Gessaroli, R
;
... and further 28
Institute of Physics