Unknown
Martin, E
;
Rinella, G Aglieri
;
Carassiti, V
;
[et al.]
Ceccucci, A
;
Gil, E Cortina
;
Ramusino, A Cotta
;
Dellacasa, G
;
Fiorini, M
;
Garbolino, S
;
Jarron, P
;
Kaplon, J
;
Kluge, A
;
Marchetto, F
;
Mapelli, A
;
Mazza, G
;
Morel, M
;
... and further 9
Institute of Physics